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Published by Ben Gale
June 25, 2026
Updated 80 days ago
7:45 PM
St. Louis has gone 21-17 at Busch Stadium this season, outperforming Arizona’s 18-22 away record. The Cardinals are just more reliable at home.
St. Louis averages 4.61 runs per game compared to Arizona’s 4.27. A slight, but decisive edge in lineup production pushes the confidence scale to the host.
Cardinals hold a small edge with a 4.25 team ERA over 688.2 IP, versus Diamondbacks’ 4.28 in 696.2 IP. Both use steady starters and reliable bullpens, but St. Louis is less likely to let games unravel late.
Arizona’s injuries to Jordan Lawlar, Ryne Nelson, and Michael Soroka limit their depth. The Cardinals’ absences (James McCann, Bryan Torres, Ryan Fernandez, Ramon Urias) have less impact on their core contributors.
The Cardinals’ higher run production and steadier home record makes backing St. Louis on the moneyline the best value in this spot.
Given Arizona’s negative run differential and road struggles, consider the Cardinals to cover the -1.5, especially if their offense gets going early.
Both clubs are below average to the under (Arizona 38-39-3 O/U, St. Louis 32-44-3 O/U). Slight edge to the under thanks to middling offenses and credible bullpens.
I’m starting with numbers. The Cardinals are 21-17 at home, while the Diamondbacks sit 18-22 on the road. St. Louis isn’t just better at Busch Stadium – Arizona’s below-average travel record reinforces this as a spot where home field actually swings the edge on the moneyline.
Both teams have similar overall records, but the path they’ve taken is different. St. Louis sits at a +4 run differential thanks to a slight advantage in offensive output (4.61 runs per game versus 4.27) and marginally stronger run prevention. Arizona’s -0.3 run differential and lack of away consistency make it difficult to trust them against a Cardinals club much more comfortable in this ballpark.
| Key Stat | Arizona Diamondbacks | St. Louis Cardinals |
|---|---|---|
| Away Record | 18-22 | 21-17 (Home) |
| Run Differential | -0.30/game | +0.05/game |
| Team ERA | 4.28 | 4.25 |
| Runs Per Game | 4.27 | 4.61 |
| O/U Trend | 38-39-3 | 32-44-3 |
Performance at home and on the road is more than psychological for these clubs. It’s hard numbers: the Cardinals’ home differential and their ability to score runs makes the difference here.
Arizona Diamondbacks: Michael Soroka, Jordan Lawlar, Ryne Nelson
St. Louis Cardinals: James McCann, Bryan Torres, Ryan Fernandez, Ramon Urias
St. Louis maintains a slim but real advantage in runs (+4) and runs per game (4.61). In a game featuring two otherwise even clubs, that offensive edge is the most bankable metric.
Arizona’s bullpen is thinner right now, partly due to injuries. With McCann and Urias out, the Cardinals’ losses are not central contributors, while Diamondbacks are missing arms that matter to depth. That means late leads for St. Louis are more likely to hold.
Arizona is just 20-20 ATS away; St. Louis is an unimpressive 16-22 ATS as a home favorite, but this is offset by their above-.500 home record and slightly stronger run prevention.
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Over the last 3 years Ben has helped build The Picks up, with a love of US sport he has focussed on NBA and NFL – though at 6″4 it’s no surprise that his real love is the NBA, and he’s developing a reputation within the team of being able to offer real insights into NBA stats.
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