MLB Players with Last Names Starting with "B"
| Player | Pos | Height / Weight | Birth Date (Age) | College |
|---|---|---|---|---|
| Ryan Borucki PIT | RP | 6' 4" / 210 lbs | Mar 31, 1994 (30) | None |
| Ethan Bosacker KC | SP | 6' 2" / 210 lbs | Feb 20, 2001 (23) | Xavier |
| Buddy Boshers | RP | 6' 3" / 205 lbs | May 9, 1988 (36) | - |
| Jacob Bosiokovic STL | P | 6' 5" / 240 lbs | Dec 21, 1993 (30) | None |
| Julian Bosnic PIT | RP | 6' 3" / 218 lbs | Dec 28, 1999 (24) | South Carolina |
| Brandon Bossard | SS | 6' 1" / 185 lbs | Jun 10, 1997 (26) | St. John's |
| Austin Bossart | C | 6' 2" / 210 lbs | Jul 4, 1993 (30) | Pennsylvania |
| Chris Bostick | 2B | 5' 10" / 190 lbs | Mar 24, 1993 (31) | None |
| Akeem Bostick | SP | 6' 6" / 250 lbs | May 4, 1995 (29) | None |
| Josh Bostick SF | SP | 6' 4" / 205 lbs | Oct 20, 2001 (22) | Grayson College |
| Bret Boswell | OF | 6' 0" / 180 lbs | Oct 4, 1994 (29) | Texas |
| David Bote CHC | 2B | 5' 11" / 205 lbs | Apr 7, 1993 (31) | Neosho County CC (KS) |
| Sean Bouchard COL | LF | 6' 3" / 215 lbs | May 16, 1996 (28) | UCLA |
| Pier-Olivier Boucher ATL | OF | 6' 2" / 185 lbs | Dec 3, 1999 (24) | Southern Illinois |
| Adam Boucher TB | RP | 6' 5" / 235 lbs | Oct 29, 2001 (22) | Duke |
| Justin Bour | 1B | 6' 3" / 270 lbs | May 28, 1988 (35) | George Mason |
| Ryan Bourassa ATL | RP | 6' 0" / 230 lbs | Dec 18, 1999 (24) | South Dakota State |
| Peter Bourjos | CF | 6' 1" / 175 lbs | Mar 31, 1987 (37) | - |
| James Bourque | RP | 6' 4" / 215 lbs | Jul 9, 1993 (30) | Michigan |
| Caleb Boushley MIN | RP | 6' 3" / 190 lbs | Oct 1, 1993 (30) | Wisconsin-La Crosse |
| Kris Bow NYY | P | 6' 4" / 225 lbs | Nov 26, 2000 (23) | Southern Nevada |
| Ben Bowden ATL | RP | 6' 4" / 249 lbs | Oct 21, 1994 (29) | Vanderbilt |
| Jase Bowen PIT | OF | 6' 0" / 190 lbs | Sep 2, 2000 (23) | None |
| Darren Bowen MIN | P | 6' 3" / 180 lbs | Feb 3, 2001 (23) | North Carolina Pembroke |
| TT Bowens BAL | 1B | 6' 4" / 230 lbs | May 27, 1998 (25) | Central Connecticut State |
| Jake Bowey | 1B | 6' 0" / 205 lbs | - | - |
| Jonathan Bowlan KC | SP | 6' 6" / 240 lbs | Dec 1, 1996 (27) | Memphis |
| Matt Bowman ARI | RP | 6' 0" / 185 lbs | May 31, 1991 (32) | Princeton |
| Cooper Bowman OAK | 2B | 6' 0" / 205 lbs | Jan 25, 2000 (24) | Louisville |
| Kaleb Bowman MIL | RP | 6' 1" / 195 lbs | May 22, 1997 (26) | Appalachian State |
| Drew Bowser CHC | 3B | 6' 4" / 226 lbs | Oct 2, 2001 (22) | Stanford |
| Brad Boxberger | RP | 5' 10" / 211 lbs | May 27, 1988 (35) | Southern California |
| Matthew Boyd | SP | 6' 3" / 223 lbs | Feb 2, 1991 (33) | Oregon State |
| BJ Boyd | LF | 5' 11" / 230 lbs | Jul 16, 1993 (30) | None |
| Luke Boyd | RP | 6' 2" / 180 lbs | Nov 21, 1997 (26) | Baylor |
| Justin Boyd CLE | CF | 6' 0" / 200 lbs | Mar 30, 2001 (23) | Oregon State |
| Emaarion Boyd PHI | LF | 5' 11" / 177 lbs | Aug 22, 2003 (20) | None |
| Jeremiah Boyd ARI | C | 5' 10" / 235 lbs | Jul 1, 2000 (23) | Middle Tennessee State |
| Ryan Boyer TOR | RP | 6' 2" / 225 lbs | Dec 12, 1995 (28) | None |
| Michael Boyle MIN | RP | 6' 3" / 200 lbs | Apr 12, 1994 (30) | Radford |
| Joe Boyle OAK | SP | 6' 7" / 240 lbs | Aug 14, 1999 (24) | Notre Dame |
| Sean Boyle NYY | SP | 6' 1" / 205 lbs | Oct 29, 1996 (27) | Dallas Baptist |
| Ty Boyles | RP | 6' 3" / 270 lbs | Sep 30, 1995 (28) | None |
| Ben Bracewell | RP | 6' 0" / 195 lbs | Sep 19, 1990 (33) | Mississippi State |
| Brad Brach | RP | 6' 6" / 215 lbs | Apr 12, 1986 (38) | Monmouth |
| Silvino Bracho | RP | 5' 10" / 190 lbs | Jul 17, 1992 (31) | None |
| Aaron Bracho CLE | SS | 5' 11" / 175 lbs | Apr 24, 2001 (23) | None |
| Enrique Bradfield Jr. BAL | OF | 6' 1" / 170 lbs | Dec 2, 2001 (22) | Vanderbilt |
| Chasen Bradford | RP | 6' 1" / 229 lbs | Aug 5, 1989 (34) | Central Florida |
| Cody Bradford TEX | SP | 6' 4" / 197 lbs | Feb 22, 1998 (26) | Baylor |
| Cooper Bradford | P | 5' 11" / 180 lbs | Apr 13, 1998 (26) | Florida Southern |
| Kyle Bradish BAL | SP | 6' 3" / 215 lbs | Sep 12, 1996 (27) | New Mexico State |
| Archie Bradley | RP | 6' 4" / 215 lbs | Aug 10, 1992 (31) | None |
| Bobby Bradley | 1B | 6' 1" / 225 lbs | May 29, 1996 (27) | None |
| Taj Bradley TB | SP | 6' 2" / 190 lbs | Mar 20, 2001 (23) | None |
| Tucker Bradley KC | LF | 5' 9" / 206 lbs | May 6, 1998 (26) | Georgia |
| Jackie Bradley Jr. | RF | 5' 10" / 200 lbs | Apr 19, 1990 (34) | South Carolina |
| Davis Bradshaw MIA | LF | 6' 3" / 175 lbs | Apr 25, 1998 (26) | Meridian CC (MS) |
| Tyler Bradt STL | RP | 5' 11" / 196 lbs | Feb 11, 2001 (23) | East Carolina |
| Denny Brady | P | 6' 1" / 200 lbs | Jan 18, 1997 (27) | Mercer County CC (NJ) |
| Ryan Brady KC | RP | 6' 1" / 185 lbs | Mar 23, 1999 (25) | Brigham Young |
| Braxton Bragg BAL | RP | 6' 2" / 207 lbs | Oct 28, 2000 (23) | Dallas Baptist |
| Kade Bragg MIN | SP | 6' 1" / 190 lbs | Jul 2, 2001 (22) | Angelo State |
| Parker Brahms CIN | P | 6' 3" / 209 lbs | Dec 3, 1997 (26) | Sacramento State |
| Spencer Bramwell MIA | C | 5' 10" / 220 lbs | Jan 10, 1999 (25) | Colorado Mesa |
| Stevie Branche CIN | RP | 6' 4" / 205 lbs | May 18, 1997 (27) | Rochester Institute of Technology |
| Jonathan Brand BOS | RP | 5' 9" / 200 lbs | Feb 20, 2000 (24) | Miami (OH) |
| Cole Brannen BOS | CF | 6' 0" / 170 lbs | Aug 4, 1998 (25) | None |
| Jack Brannigan PIT | 3B | 6' 0" / 190 lbs | Mar 11, 2001 (23) | Notre Dame |
| Brooks Brannon BOS | C | 6' 0" / 210 lbs | May 4, 2004 (20) | None |
| Michael Brantley | LF | 6' 2" / 209 lbs | May 15, 1987 (37) | None |
| Rob Brantly TB | C | 6' 0" / 191 lbs | Jul 14, 1989 (34) | UC Riverside |
| Matt Brash SEA | RP | 6' 1" / 173 lbs | May 12, 1998 (26) | Niagara |
| Ryan Brasier LAD | RP | 6' 0" / 223 lbs | Aug 26, 1987 (36) | Weatherford College |
| Yimmi Brasoban SD | P | 6' 1" / 185 lbs | Jun 22, 1994 (29) | None |
| Mitch Bratt TEX | SP | 6' 1" / 190 lbs | Jul 3, 2003 (20) | None |
| Steven Brault | OF | 6' 0" / 195 lbs | Apr 29, 1992 (32) | Regis (CO) |
| Ryan Braun | LF | 6' 2" / 205 lbs | Nov 17, 1983 (40) | Miami (FL) |
| Lucas Braun ATL | SP | 6' 0" / 185 lbs | Aug 26, 2001 (22) | Cal State Northridge |
| Jose Bravo | SP | 6' 3" / 213 lbs | Jun 10, 1997 (26) | None |
| Yoan Bravo DET | SS | 6' 1" / 165 lbs | Oct 14, 2001 (22) | None |
| Ayendy Bravo MIL | P | 5' 10" / 180 lbs | Jan 24, 2007 (17) | None |
| Ben Braymer | SP | 6' 2" / 215 lbs | Apr 28, 1994 (30) | Auburn |
| Huascar Brazoban MIA | RP | 6' 3" / 155 lbs | Oct 15, 1989 (34) | None |
| Brayln Brazoban PIT | CF | 6' 1" / 180 lbs | Sep 1, 2006 (17) | None |
| Victor Brea ARI | RP | 6' 4" / 170 lbs | Oct 8, 2002 (21) | None |
| Hunter Breault OAK | RP | 6' 2" / 228 lbs | Jun 12, 1999 (24) | Oregon |
| Josh Breaux NYY | C | 6' 1" / 230 lbs | Oct 7, 1997 (26) | McLennan CC (TX) |
| John Brebbia CHW | RP | 6' 1" / 205 lbs | May 30, 1990 (33) | Elon |
| Ben Brecht TB | SP | 6' 7" / 215 lbs | Jan 7, 1998 (26) | UC Santa Barbara |
| Alex Bregman HOU | 3B | 6' 0" / 190 lbs | Mar 30, 1994 (30) | Louisiana State |
| Bradley Brehmer BAL | SP | 6' 6" / 205 lbs | Feb 12, 2000 (24) | Indiana |
| Brandon Brennan | RP | 6' 4" / 207 lbs | Jul 26, 1991 (32) | Orange Coast CC (CA) |
| Will Brennan CLE | RF | 6' 0" / 200 lbs | Feb 2, 1998 (26) | Kansas State |
| Jake Brentz KC | SP | 6' 1" / 205 lbs | Sep 14, 1994 (29) | None |
| Jacob Bresnahan CLE | SP | 6' 4" / 195 lbs | Jun 27, 2005 (18) | None |
| Michael Brettell STL | RP | 6' 3" / 195 lbs | Jul 13, 1997 (26) | Central Michigan |
| Colten Brewer CHC | RP | 6' 4" / 222 lbs | Oct 29, 1992 (31) | None |
| Jordan Brewer HOU | CF | 6' 1" / 204 lbs | Aug 1, 1997 (26) | Michigan |
| Beau Brewer NYY | 3B | 6' 1" / 215 lbs | Oct 28, 2001 (22) | Paris JC (TX) |
| Michael Brewer TEX | RP | 6' 5" / 215 lbs | Aug 8, 2000 (23) | None |
| Will Brian NYY | SP | 5' 11" / 220 lbs | Apr 25, 1999 (25) | Eastern Kentucky |
| Austin Brice MIN | RP | 6' 4" / 238 lbs | Jun 19, 1992 (31) | None |
| Josè Briceño | C | 6' 1" / 225 lbs | Sep 19, 1992 (31) | None |
| Endrys Briceno | SP | 6' 5" / 175 lbs | Feb 7, 1992 (32) | None |
| Kevin Briceno MIL | SP | 6' 1" / 160 lbs | Oct 15, 2002 (21) | None |
| Josue Briceno DET | C | 6' 4" / 200 lbs | Sep 23, 2004 (19) | None |
| Miguel Briceno MIL | LF | 5' 9" / 155 lbs | Jul 6, 2003 (20) | None |
| Bryan Brickhouse | RP | 6' 0" / 195 lbs | Jun 6, 1992 (31) | None |
| Spencer Brickhouse ARI | 1B | 6' 4" / 235 lbs | Apr 10, 1998 (26) | East Carolina |
| Jonah Bride MIA | 3B | 5' 10" / 200 lbs | Dec 27, 1995 (28) | South Carolina |
| Beau Brieske DET | RP | 6' 3" / 200 lbs | Apr 4, 1998 (26) | Colorado State-Pueblo |
| Trevor Brigden TB | RP | 6' 3" / 210 lbs | Sep 20, 1995 (28) | Okanagan College |
| Austin Briggs OAK | RP | 6' 1" / 205 lbs | Oct 11, 1995 (28) | McNeese State |
| Jeff Brigham MIN | RP | 6' 0" / 195 lbs | Feb 16, 1992 (32) | Washington |
| Trace Bright BAL | SP | 6' 4" / 199 lbs | Oct 26, 2000 (23) | Auburn |
| Bryson Brigman | SS | 5' 11" / 180 lbs | Jun 19, 1995 (28) | San Diego |
| Matt Brill | RP | 6' 2" / 190 lbs | Oct 25, 1994 (29) | Appalachian State |
| Jordan Brink | RP | 6' 0" / 200 lbs | Mar 18, 1993 (31) | Fresno State |
| Lewis Brinson | CF | 6' 5" / 212 lbs | May 8, 1994 (30) | None |
| Braden Bristo | RP | 6' 0" / 180 lbs | Nov 1, 1994 (29) | Louisiana Tech |
| Socrates Brito | RF | 6' 2" / 205 lbs | Sep 6, 1992 (31) | None |
| Daniel Brito | 2B | 6' 1" / 170 lbs | Jan 23, 1998 (26) | None |
| Ronny Brito | SS | 6' 0" / 165 lbs | Mar 22, 1999 (25) | None |
| Marcos Brito OAK | SS | 6' 0" / 165 lbs | Mar 6, 2000 (24) | None |
| Gabriel Brito | C | 5' 9" / 170 lbs | Nov 3, 1997 (26) | None |
| Peniel Brito | 1B | 6' 1" / 210 lbs | Dec 20, 2002 (21) | None |
| Jhony Brito SD | SP | 6' 2" / 210 lbs | Feb 17, 1998 (26) | None |
| Richard Brito NYM | P | 6' 4" / 190 lbs | Nov 5, 1998 (25) | None |
| Erick Brito PHI | SS | 5' 8" / 134 lbs | May 25, 2002 (21) | None |
| Serafino Brito OAK | RP | 6' 0" / 200 lbs | Apr 28, 1997 (27) | Rutgers |
| Moises Brito LAD | RP | 6' 5" / 215 lbs | Jul 9, 2002 (21) | None |
| Juan Brito CLE | SS | 5' 11" / 202 lbs | Sep 24, 2001 (22) | None |
| Jean Brito NYM | P | 6' 3" / 180 lbs | Mar 28, 2006 (18) | None |
| Carlos Brito BAL | RP | 5' 11" / 160 lbs | Aug 22, 2002 (21) | None |
| Roldy Brito COL | 3B | 5' 11" / 183 lbs | Apr 8, 2007 (17) | None |
| Edwin Brito BOS | OF | 5' 11" / 195 lbs | Nov 23, 2006 (17) | None |
| Josue Brito BOS | OF | 6' 0" / 175 lbs | Apr 12, 2007 (17) | None |
| Logan Britt LAA | P | 6' 5" / 222 lbs | - | None |
| Zack Britton | RP | 6' 1" / 200 lbs | Dec 22, 1987 (36) | None |
| Zach Britton TOR | C | 6' 1" / 200 lbs | Sep 9, 1998 (25) | Louisville |
| Rio Britton ARI | RP | 6' 2" / 189 lbs | Dec 23, 2002 (21) | NC State |
| Soyger Brizuela SF | C | 5' 11" / 183 lbs | Dec 17, 2005 (18) | None |
| Kyle Brnovich BAL | SP | 6' 2" / 190 lbs | Oct 20, 1997 (26) | Elon |
| Taylor Broadway BOS | RP | 5' 11" / 205 lbs | Apr 8, 1997 (27) | Mississippi |
| T.J. Brock TOR | RP | 6' 1" / 200 lbs | Aug 10, 1999 (24) | Ohio State |
| Julian Brock TEX | C | 6' 3" / 220 lbs | Jun 3, 2001 (22) | Louisiana-Lafayette |
| Walter Brockhouse HOU | RP | 6' 4" / 197 lbs | Feb 22, 1999 (25) | Memphis |
| Quinn Brodey | CF | 6' 1" / 195 lbs | Dec 1, 1995 (28) | Stanford |
| Bryan Broecker TB | C | 6' 2" / 200 lbs | Jan 26, 2002 (22) | Michigan State |
| Connor Brogdon LAD | RP | 6' 6" / 205 lbs | Jan 29, 1995 (29) | Lewis-Clark State (ID) |
| Archer Brookman DET | C | 5' 11" / 200 lbs | Jan 8, 1999 (25) | Ohio State |
| Aaron Brooks OAK | SP | 6' 4" / 230 lbs | Apr 27, 1990 (34) | Cal State San Bernadino |
| Trenton Brooks SF | RF | 5' 10" / 195 lbs | Jul 3, 1995 (28) | Nevada |
| Craig Brooks | RP | 5' 10" / 180 lbs | Sep 23, 1992 (31) | Catawba (NC) |
| Robert Brooks TB | C | 5' 9" / 215 lbs | Nov 21, 1998 (25) | Columbus State |
| Jake Brooks MIA | SP | 6' 4" / 210 lbs | Jul 8, 2001 (22) | UCLA |
| Robert Broom CLE | RP | 6' 1" / 190 lbs | Sep 17, 1996 (27) | Mercer |
| Matt Brosky TEX | P | 5' 10" / 190 lbs | Sep 15, 1999 (24) | Youngstown State |
| Mike Brosseau NYM | 2B | 5' 11" / 203 lbs | Mar 15, 1994 (30) | Oakland |
| Rex Brothers | RP | 6' 0" / 205 lbs | Dec 18, 1987 (36) | Lipscomb |
| Joe Broussard | RP | 6' 1" / 225 lbs | Jan 28, 1991 (33) | Louisiana State |
| Aaron Brown | RP | 6' 2" / 223 lbs | Jun 20, 1992 (31) | Pepperdine |
| Seth Brown OAK | LF | 6' 1" / 223 lbs | Jul 13, 1992 (31) | Lewis-Clark State (ID) |
| Zack Brown | SP | 6' 1" / 199 lbs | Dec 15, 1994 (29) | Kentucky |
| Cassidy Brown | PH | - / - | - | None |
| Daniel Brown | RP | 5' 9" / 188 lbs | Mar 22, 1995 (29) | Mississippi State |
| Ben Brown CHC | SP | 6' 6" / 210 lbs | Sep 9, 1999 (24) | None |
| Andrew Brown | SP | 6' 1" / 180 lbs | Oct 24, 1997 (26) | None |
| Dasan Brown TOR | CF | 6' 0" / 185 lbs | Sep 25, 2001 (22) | None |
| Hunter Brown HOU | SP | 6' 2" / 220 lbs | Aug 29, 1998 (25) | Wayne State |
| Logan Brown | C | 6' 0" / 195 lbs | Sep 14, 1996 (27) | Southern Indiana |
| Ty Brown CLE | RP | 6' 4" / 242 lbs | Oct 2, 1998 (25) | Vanderbilt |
| Blake Brown TB | RP | 6' 1" / 195 lbs | Aug 18, 1998 (25) | North Carolina Asheville |
| McCade Brown COL | SP | 6' 6" / 225 lbs | May 15, 2000 (24) | Indiana |
| Aaron Brown HOU | SP | 6' 4" / 220 lbs | Mar 19, 1999 (25) | Middle Tennessee State |
| Luke Brown PIT | LF | 5' 10" / 195 lbs | Mar 12, 1999 (25) | Louisville |
| Vaun Brown SF | LF | 6' 0" / 215 lbs | Jun 23, 1998 (25) | Florida Southern |
| Jordan Brown | SS | 6' 3" / 185 lbs | Sep 9, 2001 (22) | None |
| Cameron Brown DET | RP | 6' 2" / 165 lbs | May 12, 1998 (26) | Central Michigan |
| Garrett Brown CHC | P | 6' 7" / 218 lbs | - | - |
| Devonte Brown TOR | RF | 5' 11" / 207 lbs | Oct 15, 1999 (24) | North Carolina State |
| Marcus Brown WSH | SS | 6' 0" / 187 lbs | Sep 14, 2001 (22) | Oklahoma State |
| Cam Brown PHI | RP | 6' 3" / 225 lbs | Oct 15, 2001 (22) | Texas Christian |
| Daniel Brown CHC | P | 6' 3" / 200 lbs | Oct 22, 2002 (21) | Campbell |
| Ryan Brown OAK | RP | 6' 2" / 219 lbs | Nov 2, 2000 (23) | Oregon State |
| Ryan Brown LAD | SP | 6' 2" / 205 lbs | Oct 9, 2002 (21) | Ball State |
| Sam Brown LAA | 1B | 6' 2" / 218 lbs | Sep 11, 2001 (22) | Washington State |
| Jake Brown | P | 6' 2" / 180 lbs | Jan 12, 2005 (19) | None |
| Juan Brown CIN | 3B | 6' 3" / 185 lbs | Jul 5, 2007 (16) | None |
| Tyler Brown CLE | P | 6' 4" / 242 lbs | Oct 2, 1998 (25) | None |
| Eric Brown Jr. MIL | SS | 5' 10" / 190 lbs | Dec 19, 2000 (23) | Coastal Carolina |
| Keon Broxton | CF | 6' 3" / 200 lbs | May 7, 1990 (34) | Santa Fe JC (FL) |
| JT Brubaker NYY | SP | 6' 3" / 180 lbs | Nov 17, 1993 (30) | Akron |
| Jay Bruce | LF | 6' 3" / 230 lbs | Apr 3, 1987 (37) | None |
| Nick Brueser OAK | 1B | 6' 3" / 212 lbs | Sep 29, 1998 (25) | Stanford |
| Jaycob Brugman | LF | 6' 0" / 195 lbs | Jan 18, 1992 (32) | Brigham Young |
| Justin Bruihl CIN | RP | 6' 2" / 215 lbs | Jun 26, 1997 (26) | Cal Poly San Luis Obispo |
| Vidal Bruján MIA | 3B | 5' 10" / 180 lbs | Feb 9, 1998 (26) | None |
| Beau Brundage | LF | 6' 3" / 170 lbs | Apr 29, 1997 (27) | Portland |
| Ryan Bruno ARI | RP | 6' 3" / 221 lbs | Jan 4, 2002 (22) | Stanford |
| Maddux Bruns LAD | SP | 6' 2" / 205 lbs | Jun 20, 2002 (21) | None |
| Gio Brusa | OF | - / - | - | - |
| Thomas Bruss DET | RP | 6' 8" / 280 lbs | May 18, 1999 (25) | Augustana |
| Jakob Brustoski | RP | 6' 2" / 240 lbs | Mar 20, 1999 (25) | Texas Tech |
| Kris Bryant COL | RF | 6' 5" / 230 lbs | Jan 4, 1992 (32) | San Diego |
| Zach Bryant BOS | RP | 6' 1" / 210 lbs | Jun 5, 1998 (25) | Jacksonville |
| Zach Brzykcy WSH | RP | 6' 2" / 208 lbs | Jul 12, 1999 (24) | Virginia Tech |
| Kris Bubic KC | SP | 6' 3" / 225 lbs | Aug 19, 1997 (26) | Stanford |
| Yasmil Bucce BAL | C | 5' 11" / 168 lbs | Aug 13, 2004 (19) | None |
| David Buchanan PHI | SP | 6' 3" / 200 lbs | May 11, 1989 (35) | Georgia State |
| Jacob Buchberger STL | 3B | 6' 0" / 215 lbs | Oct 1, 1997 (26) | Davenport (MI) |
| Clay Buchholz | SP | 6' 3" / 190 lbs | Aug 14, 1984 (39) | - |
| Ryan Buchter | RP | 6' 4" / 232 lbs | Feb 13, 1987 (37) | Rowan (NJ) |
| Walker Buehler LAD | SP | 6' 2" / 185 lbs | Jul 28, 1994 (29) | Vanderbilt |
| Brayan Buelvas OAK | CF | 5' 11" / 155 lbs | Jun 8, 2002 (21) | None |
| Asdrubal Bueno SEA | 2B | 5' 11" / 170 lbs | Nov 25, 2001 (22) | None |
| Hever Bueno TEX | RP | 6' 2" / 179 lbs | Nov 23, 1994 (29) | Arizona State |
| Ismauro Bueno TOR | P | 5' 10" / 170 lbs | - | None |
| Jesus Bugarin COL | CF | 5' 10" / 180 lbs | Dec 2, 2001 (22) | None |
| Parker Bugg | RP | 6' 6" / 210 lbs | Oct 26, 1994 (29) | Louisiana State |
| J.B. Bukauskas MIL | RP | 6' 0" / 208 lbs | Oct 11, 1996 (27) | North Carolina |
| Justin Bullock MIL | SP | 6' 2" / 195 lbs | May 12, 1999 (25) | None |
| Madison Bumgarner | SP | 6' 4" / 240 lbs | Aug 1, 1989 (34) | None |
| Aaron Bummer ATL | RP | 6' 3" / 215 lbs | Sep 21, 1993 (30) | Nebraska |
| Dylan Bundy | SP | 6' 1" / 200 lbs | Nov 15, 1992 (31) | None |
| Cade Bunnell ATL | 2B | 6' 0" / 190 lbs | May 14, 1997 (27) | Indiana |
| Luke Burch | PR | 6' 2" / 185 lbs | Apr 18, 1994 (30) | Kent State |
| Tyler Burch BAL | RP | 6' 2" / 190 lbs | Sep 2, 1997 (26) | Lewis-Clark State (ID) |
| Scott Burcham | SS | 5' 11" / 185 lbs | Jun 17, 1993 (30) | Sacramento State |
| Nick Burdi NYY | RP | 6' 3" / 225 lbs | Jan 19, 1993 (31) | Louisville |
| Zack Burdi | RP | 6' 3" / 210 lbs | Mar 9, 1995 (29) | Louisville |
| Peyton Burdick CIN | CF | 6' 0" / 205 lbs | Feb 26, 1997 (27) | Wright State |
| Jake Burger MIA | 3B | 6' 2" / 230 lbs | Apr 10, 1996 (28) | Missouri State |
| Colin Burgess DET | C | 5' 8" / 195 lbs | Nov 10, 2000 (23) | South Carolina |
| Brent Burgess | RP | 6' 0" / 200 lbs | May 2, 1997 (27) | Spartanburg Methodist College |
| Josh Burgmann CHC | P | 6' 0" / 210 lbs | Jan 27, 1998 (26) | Washington |
| Hiram Burgos | SP | 5' 11" / 210 lbs | Aug 4, 1987 (36) | Bethune-Cookman |
| Enrique Burgos | RP | 6' 3" / 255 lbs | Nov 23, 1990 (33) | None |
| Diowill Burgos MIA | RF | 6' 1" / 190 lbs | Jan 29, 2001 (23) | None |
| Raymond Burgos SF | RP | 6' 5" / 170 lbs | Nov 29, 1998 (25) | None |
| Jorge Burgos CLE | CF | 6' 0" / 165 lbs | Dec 26, 2001 (22) | None |
| Juan Burgos SEA | P | 6' 0" / 155 lbs | Dec 22, 1999 (24) | None |
| Yoelvis Burguillos MIA | SP | 6' 2" / 150 lbs | Sep 7, 2002 (21) | None |
| Garrett Burhenn DET | SP | 6' 3" / 215 lbs | Sep 12, 1999 (24) | Ohio State |
| Brock Burke TEX | RP | 6' 4" / 210 lbs | Aug 4, 1996 (27) | None |
| Sean Burke CHW | SP | 6' 6" / 230 lbs | Dec 18, 1999 (24) | Maryland |
| Chris Burke | C | 5' 11" / 180 lbs | Aug 16, 2001 (22) | None |
| Jacob Burke CHW | CF | 6' 1" / 208 lbs | Feb 26, 2001 (23) | Miami |
| Langston Burkett SD | P | 6' 6" / 220 lbs | Apr 2, 2005 (19) | None |
| Blake Burkhalter ATL | SP | 6' 0" / 204 lbs | Sep 19, 2000 (23) | Auburn |
| Charcer Burks | LF | 6' 0" / 170 lbs | Mar 9, 1995 (29) | None |
| Jeremiah Burks CHW | SS | 6' 2" / 215 lbs | Jan 8, 1997 (27) | Fresno State |
| Alec Burleson STL | DH | 6' 2" / 225 lbs | Nov 25, 1998 (25) | East Carolina |
| Corbin Burnes BAL | SP | 6' 3" / 245 lbs | Oct 22, 1994 (29) | St. Mary's (CA) |
| Yizreel Burnet | SP | 6' 2" / 215 lbs | Jan 15, 2004 (20) | None |
| Sean Burnett | RP | 6' 1" / 180 lbs | Sep 17, 1982 (41) | - |
| Jimmy Burnette TOR | RP | 6' 2" / 205 lbs | Oct 19, 1998 (25) | St. Leo (FL) |
| Billy Burns | CF | 5' 9" / 170 lbs | Aug 30, 1989 (34) | Mercer |
| Andy Burns | 2B | 6' 2" / 205 lbs | Aug 7, 1990 (33) | Arizona |
| Tanner Burns CLE | SP | 6' 0" / 210 lbs | Dec 28, 1998 (25) | Auburn |
| Collin Burns BAL | SS | 5' 11" / 187 lbs | May 20, 2000 (24) | Tulane |
| Nathan Burns LAA | RP | 6' 1" / 200 lbs | Jun 1, 1999 (24) | Oregon State |
| Jake Burns | C | 6' 0" / 199 lbs | Feb 17, 2003 (21) | None |
| Dylan Burns | SP | 6' 1" / 194 lbs | Dec 29, 1996 (27) | South Florida |
| Connor Burns CIN | C | 6' 1" / 185 lbs | Dec 25, 2001 (22) | Long Beach State |
| Ryan Burr PHI | RP | 6' 4" / 220 lbs | May 28, 1994 (29) | Arizona State |
| Ryan Burrowes CHW | SS | 6' 2" / 170 lbs | Aug 17, 2004 (19) | None |
| Beau Burrows | SP | 6' 2" / 215 lbs | Sep 18, 1996 (27) | None |
| Thomas Burrows | RP | 6' 1" / 205 lbs | Sep 14, 1994 (29) | Alabama |
| Mike Burrows PIT | SP | 6' 1" / 190 lbs | Nov 8, 1999 (24) | None |
| Logan Bursick-Harrington TEX | P | 6' 4" / 185 lbs | Jan 22, 2001 (23) | Davenport |
| D.J. Burt | 2B | 5' 9" / 160 lbs | Oct 13, 1995 (28) | None |
| Max Burt NYY | 3B | 6' 1" / 205 lbs | Aug 28, 1996 (27) | Northeastern |
| Dylan Busby | 3B | 6' 2" / 196 lbs | Nov 28, 1995 (28) | Florida State |
| Michael Busch CHC | 1B | 6' 1" / 210 lbs | Nov 9, 1997 (26) | North Carolina |
| Matt Buschmann TOR | RP | 6' 3" / 195 lbs | Feb 13, 1984 (40) | Vanderbilt |
| Alan Busenitz CIN | RP | 6' 1" / 180 lbs | Aug 22, 1990 (33) | Kennesaw State |
| Matt Bush | RP | 5' 10" / 193 lbs | Feb 8, 1986 (38) | None |
| Ky Bush CHW | SP | 6' 6" / 240 lbs | Nov 12, 1999 (24) | Saint Mary's |
| Nick Bush COL | SP | 6' 0" / 195 lbs | Aug 23, 1996 (27) | Louisiana State |
| Will Bush HOU | C | 6' 4" / 230 lbs | Mar 4, 2004 (20) | None |
| Homer Bush Jr. SD | CF | 6' 3" / 200 lbs | Oct 13, 2001 (22) | Grand Canyon |
| Alex Bustamante NYY | RP | 6' 3" / 195 lbs | Jun 22, 2000 (23) | None |
| Anielson Buten CIN | 2B | 5' 9" / 155 lbs | Sep 22, 2005 (18) | None |
| Drew Butera | C | 6' 1" / 205 lbs | Aug 9, 1983 (40) | Central Florida |
| Eddie Butler | RP | 6' 2" / 180 lbs | Mar 13, 1991 (33) | Radford |
| Ryan Butler | RP | 6' 4" / 225 lbs | Feb 23, 1992 (32) | Charlotte |
| Lawrence Butler OAK | RF | 6' 3" / 210 lbs | Jul 10, 2000 (23) | None |
| Jonny Butler OAK | LF | 6' 1" / 200 lbs | Feb 12, 1999 (25) | North Carolina State |
| Cameron Butler | LF | 6' 0" / 175 lbs | Oct 3, 2002 (21) | None |
| Connor Butler BOS | RP | 6' 0" / 180 lbs | Apr 22, 2000 (24) | Biola |
| Troy Butler COL | RP | 6' 2" / 195 lbs | Mar 22, 2003 (21) | Herkimer CC |
| José Buttó NYM | SP | 6' 1" / 202 lbs | Mar 19, 1998 (26) | None |
| Ty Buttrey SEA | RP | 6' 6" / 240 lbs | Mar 31, 1993 (31) | None |
| Byron Buxton MIN | CF | 6' 2" / 190 lbs | Dec 18, 1993 (30) | None |
| Ike Buxton MIA | SP | 6' 3" / 208 lbs | Jul 18, 2000 (23) | Lipscomb |
| Grayson Byrd | 3B | 6' 3" / 205 lbs | Jun 16, 1996 (27) | Clemson |
| Michael Byrne CIN | RP | 6' 3" / 205 lbs | Apr 16, 1997 (27) | Florida |
