MLB Prop Bets: Arizona Diamondbacks vs Athletics (July 21, 2026)
The Athletics (43-57) face the Arizona Diamondbacks (51-49) at Chase Field on Tuesday at 9:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Jack Perkins is the probable pitcher for the Athletics, while the Diamondbacks' probable pitcher remains unclear.
- The Athletics have a 48-48-4 O/U record this season (meaning 48 games have gone over the total runs line, 48 have gone under and four have resulted in a push). The Diamondbacks have a 39-52-9 O/U record.
Scoring Insights
- The Athletics are averaging 4.5 runs per game this season (14th in the league). Comparatively, the Diamondbacks are averaging 4.3 (18th).
- In the field, the Athletics are allowing a whopping 5.6 runs per game this season (29th in the league), while the Diamondbacks are allowing an average of 4.5 runs (T16th).
Let's take a look at how these teams perform in some other key statistical areas.
Batting Insights:
Batting Average
- Looking at their batting averages this season, the Athletics are at .247 (ranking 12th in the Major leagues), while the Diamondbacks are batting .237 (22nd).
Home Runs
- In terms of total home runs this season, the Diamondbacks have hit 94 (T29th in the Major Leagues). Meanwhile, the Athletics have managed 124 (11th).
Runs Batted In
- Finally, looking at their runs batted in, the Athletics have recorded 429 RBIs to rank 15th in the MLB this season. Comparatively, the Diamondbacks have recorded 415 RBIs to rank 19th.
Pitching Insights:
Earned Run Average
- The Diamondbacks have an earned run average of 4.22 this season (15th in the Majors), while The Athletics have an ERA of 5.29 (29th).
Strikeouts
- Turning our attention to total strikeouts, the Athletics have recorded 854 this season, ranking 13th in the MLB. Meanwhile, the Diamondbacks rank 30th for total strikeouts, recording 681.
Opponent Batting Average
- Opponents are batting an average of .251 against the Diamondbacks this season (23rd in the Major Leagues). Comparatively, the Athletics' opponents are at .267 (29th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Athletics | 20-29-51 | 12-16-22 | 8-13-29 | 8-10-17 | 12-19-34 | 0-0-0 | 1-3-6 |
| Diamondbacks | 21-27-52 | 12-11-26 | 9-16-24 | 11-9-22 | 10-18-30 | 0-0-2 | 1-3-6 |
Lead After Three Innings
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Athletics | 36-41-23 | 19-22-9 | 17-19-14 | 11-16-8 | 25-25-15 | 0-0-0 | 2-5-3 |
| Diamondbacks | 31-47-22 | 20-16-13 | 10-30-9 | 19-12-11 | 12-35-11 | 1-1-0 | 1-5-4 |
NRFI/YRFI
- The NRFI is 47-53 in Athletics games this season. The Diamondbacks have a 44-56 NRFI record.
Last Time They Met
The Athletics recorded a 5-2 victory over the Diamondbacks at Chase Field yesterday. Jacob Wilson was unstoppable in that matchup, hitting a home run, a single and recording an RBI.
