Helo Millions
Home / MLB Predictions / Arizona Diamondbacks vs St. Louis Cardinals Predictions

Arizona Diamondbacks vs St. Louis Cardinals Predictions

June 22 07:45 PM (Start in 14 Hours)
KTVK Busch Stadium

Diamondbacks vs. Cardinals Matchup Overview

The Arizona Diamondbacks visit the St. Louis Cardinals at Busch Stadium on June 22nd, 2026, for a matchup that could shift the momentum for both teams. The current moneyline shows the Diamondbacks at +120 and the Cardinals at -140, with an over-under set at 8.5. For the best bets, check out The Edge AI sports betting tool. The Diamondbacks come in with a record of 39-37, while the Cardinals sit at 40-34. Corbin Carroll leads Arizona with a .280 batting average, 13 home runs, and a .919 OPS, making him a key player to watch. For St. Louis, Jordan Walker is having a strong season with a .295 average and 18 home runs. The Cardinals will be without Nathan Church, who is on the 10-day injured list. In their recent matchups, the Diamondbacks have won three straight against the Cardinals, which could add to the pressure for St. Louis in this game.

Matchup Overview

  • Teams: Arizona Diamondbacks vs St. Louis Cardinals
  • Date: Monday, June 22, 2026
  • Time: 7:45 PM
  • Venue: Busch Stadium

Current Betting Odds

  • Spread: Diamondbacks β€” (β€”) (+1.5 (-178 BetMGM Sportsbook)), Cardinals β€” (β€”) (-1.5 (+146 BetMGM Sportsbook))
  • Total (Over/Under): 8.5 (-115/-105) (Over 8.5 (-124 BetMGM Sportsbook), Under 8.5 (+102 BetMGM Sportsbook))
  • Moneyline Odds: Diamondbacks +120 (+120 (BetMGM Sportsbook)), Cardinals -140 (-142 (BetMGM Sportsbook))

Edge AI Win Probabilities

After 1,000 simulations, our model gives the Diamondbacks a win probability of 44%, while the Cardinals have a win probability of 56%

The Diamondbacks and Cardinals have a long-standing rivalry, with the Cardinals historically holding the edge in head-to-head matchups. The Cardinals’ strong home-field advantage and consistent pitching have often posed challenges for the Diamondbacks. Given these enduring characteristics, bettors should consider the Cardinals’ track record at home when evaluating this matchup.

Projected Final Score

Our Edge AI predicts a final score of Diamondbacks 4-3 Cardinals with a confidence score of 68%. These projections are based on 1,000 simulations and hundreds of data points, ensuring you have the most accurate predictions to inform your betting strategy.

Point Spread
44%
56%
Confidence Level: 65.4%

Unlock for as little as $16.65/month

Unlock
Play Now with Best Odds
BetMGM will refund your first wager in bonus bets
Over/Under
44%
56%
Confidence Level: 58.7%

Unlock for as little as $16.65/month

Unlock
Play Now with Best Odds
BetMGM will refund your first wager in bonus bets
Moneyline
44%
56%
Confidence Level: 72.1%

Unlock for as little as $16.65/month

Unlock
Play Now with Best Odds
BetMGM will refund your first wager in bonus bets

When the Diamondbacks and Cardinals face off, you’re looking at a classic clash of styles. Arizona often relies on speed and athleticism, while St. Louis leans into their strong fundamentals and veteran presence. Historically, the Cardinals have held the edge at home, making that money line lean their way, especially with the familiarity of division play and the dimensions of Busch Stadium playing into their hands.

Arizona Diamondbacks vs St. Louis Cardinals Moneyline

The Diamondbacks face the Cardinals in St. Louis, where the home team holds a slight edge in the moneyline odds. With Arizona’s solid lineup led by Corbin Carroll and St. Louis countering with Jordan Walker, this matchup could be closer than the numbers suggest, making it an interesting spot for bettors considering the moneyline.

See Game Picks

Arizona Diamondbacks vs St. Louis Cardinals Run Line

The Arizona Diamondbacks, with a 39-37 record, have shown resilience on the road but face a tough challenge against the St. Louis Cardinals, who sit at 40-34. Recent matchups suggest the Cardinals have the edge, but the Diamondbacks’ ability to score could keep this game competitive enough to consider the run line. Starting pitching and offensive consistency will be key factors influencing the outcome.

See Game Picks

Arizona Diamondbacks vs St. Louis Cardinals Over/Under

The Diamondbacks and Cardinals have averaged a combined total of 8.5 runs in their recent matchups, reflecting their offensive capabilities. However, with the Cardinals missing Nathan Church and the starting pitchers’ recent form, the scoring could be impacted. Monitoring the effectiveness of each team’s lineup and bullpen will be crucial in assessing whether this game will hit the over or under.

See Game Picks
39-38
All
41-34
24-17
Home
21-17
15-21
Away
20-17
27-17
as Fav
17-11
12-21
as Dog
24-23
40-37
ATS
43-32
20-21
ATS Home
20-18
20-16
ATS Away
23-14
34-39
O/U
34-37
16-22
O/U Home
18-19
18-17
O/U Away
16-18
RESULT
LOSE 4-2
DATE
06/21
SPREAD
-1.5
O/U
u9.5
RESULT
LOSE 16-8
DATE
06/20
SPREAD
-1.5
O/U
o9.0
RESULT
WIN 5-9
DATE
06/19
SPREAD
-1.5
O/U
o8.5
RESULT
WIN 1-8
DATE
06/17
SPREAD
β€”
O/U
o9.0
RESULT
LOSE 7-0
DATE
06/16
SPREAD
+1.5
O/U
u8.5
RESULT
WIN 8-1
DATE
05/23
SPREAD
β€”
O/U
u9.5
RESULT
WIN 12-10
DATE
06/21
SPREAD
β€”
O/U
o9.0
RESULT
LOSE 5-6
DATE
06/19
SPREAD
-1.5
O/U
o9.0
RESULT
LOSE 6-14
DATE
06/18
SPREAD
-1.5
O/U
o9.0
RESULT
LOSE 6-1
DATE
06/17
SPREAD
-1.5
O/U
u10.5
WHO WON
Diamondbacks logo ARI
RESULT
3-5
DATE
07/20
WHO WON
Diamondbacks logo ARI
RESULT
1-10
DATE
07/19
WHO WON
Diamondbacks logo ARI
RESULT
3-7
DATE
07/18
WHO WON
Cardinals logo STL
RESULT
3-4
DATE
05/25
WHO WON
Cardinals logo STL
RESULT
5-6
DATE
05/24

BOX SCORE: MLB TEAM STATS & PLAYER STATS

0
At Bats
0
0
Runs
0
0
Hits
0
0
Walks
0
0
Strikeouts
0
0.307
On Base Percentage
0.326
0.384
Slugging Percentage
0.402
4.34
Earned Run Average
4.29
0
Earned Runs
0
0
Home Runs
0
0
Walks
0
0
Strikeouts
0
0
Strikeouts Per 9 Innings
0
1.30
Walks Plus Hits Per Inning Pitched
1.35
Batters
AVG
HR
RBI
H
0.259
12
46
76
0.281
13
42
77
0.241
4
27
61
0.239
8
31
58
0.258
7
42
62
0.276
6
25
48
0.255
3
15
42
0.188
4
20
25
0.259
0
8
29
0.211
1
13
23
0.181
2
9
19
0.164
1
8
10
0.158
1
2
3
Starting pitcher
W-L
ERA
WHIP
K
5-6
5.81
1.51
42
Pitchers
W-L
ERA
WHIP
K
6-2
2.45
1.23
65
3-5
4.97
1.24
62
8-3
3.07
1.09
79
3-6
6.10
1.63
52
5-6
5.81
1.51
42
0-1
5.92
1.50
31
2-1
2.27
0.82
18
2-4
3.00
1.10
38
2-2
3.03
1.21
33
2-4
3.18
0.74
32
2-2
2.86
1.09
17
2-1
2.39
1.22
17
0-1
2.55
0.85
18
0-0
0.00
1.20
0
0-0
5.40
2.40
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
full roster
Batters
AVG
HR
RBI
H
0.287
13
55
84
0.291
18
58
85
0.268
12
34
74
0.265
10
35
73
0.245
3
31
62
0.194
7
26
39
0.194
2
9
30
0.220
4
11
28
0.267
2
14
28
0.184
1
4
14
0.238
2
5
10
0.242
0
5
8
0.000
0
0
0
Starting pitcher
W-L
ERA
WHIP
K
8-4
3.76
1.20
62
Pitchers
W-L
ERA
WHIP
K
5-6
4.30
1.20
77
3-6
3.35
1.15
53
8-4
3.76
1.20
62
3-4
5.23
1.56
67
5-4
4.63
1.57
59
5-1
2.97
1.02
17
2-1
6.55
1.57
33
0-2
4.09
1.30
34
0-0
4.41
1.50
23
3-3
4.18
1.24
33
3-1
3.06
1.14
27
2-1
5.04
1.48
37
0-0
5.14
1.43
6
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
0-0
0.00
0.00
0
full roster