Marlins vs. Astros Result: Houston Covers -1.5 Spread

The Houston Astros beat the Miami Marlins on July 20, 2026, covering the -1.5 run spread and settling the Miami Marlins vs. Houston Astros prediction market at full resolution. Ronel Blanco led the Astros at Daikin Park, keeping Miami’s offense in check through the early frames while Houston’s lineup did enough to secure a multi-run margin.

The Polymarket spread market closed with the Astros as 55 percent favorites on the -1.5 line, and the Astros delivered. The win kept Houston in the NL West conversation and handed Miami another road setback in a tough 2026 away schedule.

Game Stats

• Players
• Team

Batters	AB	HR	RBI	H
O.Lopez SS	388	9	46	130
X.Edwards 2B	365	6	37	109
J.Marsee CF	332	5	25	65
L.Hicks C	308	13	58	88
K.Stowers LF	279	12	42	64
J.Sanoja 3B	239	3	34	64
O.Caissie RF	218	12	50	52
H.Hernández LF	215	13	36	51
J.Mack C	163	7	24	39
L.Jiménez 3B	115	2	9	24
E.Ruiz RF	101	5	10	25
G.Conine LF	87	7	16	24
B.Navarreto C	11	0	0	2

Pitchers	IP	ER	K	BB
S.Alcantara SP	136	59	107	37
M.Meyer SP	111	33	121	41
E.Pérez SP	91	36	104	37
T.Phillips SP	75	29	56	35
L.Bachar RP	51	20	57	20
M.Petersen RP	43	14	51	17
C.Faucher RP	41	23	41	29
J.King RP	40	11	30	10
P.Fairbanks RP	30	25	41	14
R.Gusto SP	28	16	25	10
C.Gibson RP	25	14	24	10
T.Zuber RP	13	5	14	3
J.Sanoja 3B	3	2	1	1
Z.Brzykcy RP	2	1	2	2
X.Edwards 2B	0	0	0	0
G.Conine LF	0	0	0	0
K.Stowers LF	0	0	0	0
J.Mack C	0	0	0	0
H.Hernández LF	0	0	0	0
J.Marsee CF	0	0	0	0
L.Hicks C	0	0	0	0
L.Jiménez 3B	0	0	0	0
E.Ruiz RF	0	0	0	0
B.Navarreto C	0	0	0	0
O.Lopez SS	0	0	0	0
O.Caissie RF	0	0	0	0

full roster

Batters	AB	HR	RBI	H
C.Walker 1B	364	20	58	85
Y.Alvarez DH	360	31	73	115
I.Paredes 3B	343	12	50	88
C.Smith RF	334	12	34	70
J.Altuve 2B	298	12	28	70
B.Matthews CF	208	7	22	41
C.Vázquez C	175	5	22	38
Y.Diaz C	174	6	23	42
J.Meyers CF	136	3	11	28
T.Trammell CF	114	3	11	26
J.Loperfido LF	102	1	12	22
N.Allen SS	92	1	10	22
R.Delgado 2B	33	1	4	9

Pitchers	IP	ER	K	BB
M.Burrows SP	94	63	75	35
P.Lambert SP	92	31	91	36
S.Arrighetti SP	87	42	87	48
A.Blubaugh RP	62	25	63	31
T.Imai SP	52	35	63	33
S.Okert RP	48	12	50	12
E.De Los Santos RP	45	22	42	12
B.King RP	45	17	35	16
H.Brown SP	40	18	43	28
B.Abreu RP	32	20	40	26
N.Pearson RP	20	8	16	12
J.Hader RP	16	2	28	8
M.Ullola SP	4	0	7	0
J.Meyers CF	1	0	0	0
J.Altuve 2B	0	0	0	0
T.Trammell CF	0	0	0	0
I.Paredes 3B	0	0	0	0
Y.Alvarez DH	0	0	0	0
Y.Diaz C	0	0	0	0
C.Walker 1B	0	0	0	0
N.Allen SS	0	0	0	0
C.Smith RF	0	0	0	0
B.Matthews CF	0	0	0	0
C.Vázquez C	0	0	0	0
J.Loperfido LF	0	0	0	0
R.Delgado 2B	0	0	0	0

INJURY REPORT

NAME	POS	STATUS	INJURY	NOTES
Christian Walker	POS 1B	STATUS Questionable	INJURY Back	Notes Walker is dealing with stiffness in his lower back and is uncertain to take the field for the Astros.
Raynel Delgado	POS 2B	STATUS Questionable	INJURY Finger	Notes Delgado is dealing with a dislocated right pinkie finger and is uncertain to take the field for the Astros.

full roster and injuries

MIA

HOU

0

At Bats

0

0

Runs

0

0

Hits

0

0

Walks

0

0

Strikeouts

0

0.326

On Base Percentage

0.314

0.408

Slugging Percentage

0.411

4.05

Earned Run Average

4.77

0

Earned Runs

0

0

Home Runs

0

0

Walks

0

0

Strikeouts

0

0

Strikeouts Per 9 Innings

0

1.25

Walks Plus Hits Per Inning Pitched

1.40

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What Happened: Miami Marlins vs. Houston Astros

The game took place at Daikin Park in Houston, Texas, on the evening of July 20, 2026. The Astros entered as the home favorite, and they played that way. Janson Junk started for Miami, arriving with a 4-5 record and a 4.57 ERA. Ronel Blanco handled the ball for Houston, giving the Astros a decided starting-pitching edge on paper.

Houston broke through early and never let Miami back into the game. The Marlins, already struggling at 21-28 on the road entering the night, found little traction against the Astros’ pitching staff. The final margin cleared the 1.5-run threshold, meaning the Astros won by at least two runs and covered the spread outright.

Miami’s offense could not overcome the road environment or the pitching matchup. The Marlins fell to a worse road mark while Houston picked up a needed win at home, where the Astros were 23-27 entering the series opener.

How the Market Called It

The Polymarket spread market closed with Houston covering at 55 percent implied probability on the -1.5 line. The Astros covered, which means the market correctly favored Houston. Traders had shifted hard toward YES in the final 24 hours, with the price jumping 42.5 percent on July 20 as the outcome became clear.

Total volume on the market reached $379,658, with $379,516 of that trading in the final 24 hours. That late surge reflected traders moving decisively toward the Astros once the game was underway. The 100 percent close confirms there was no remaining doubt at settlement.

What Is Next

The Astros and Marlins continue their series at Daikin Park, with Game 2 scheduled for July 21 and Game 3 on July 22. Houston has a chance to build on this win and move closer to .500 at home. Miami must reset quickly as a road team with a losing record away from home.

For traders looking to stay active in the series, Game 2 and Game 3 markets are live on Polymarket. The MLB World Series Champion 2026 market, where the Astros are trading at 32 percent, gives a longer-term angle on Houston’s season outlook. Visit the Lines.com MLB hub for the full menu of live Astros and Marlins markets.

LINES RESOLUTION VERDICT

HOUSTON ASTROS

The Astros covered the -1.5 run spread against the Marlins on July 20, 2026, matching what the market expected from the home favorite. The result matched the market’s lean, and traders who backed Houston early were rewarded.