

MLB Prop Bets: Athletics vs Seattle Mariners (May 25, 2026)
The Seattle Mariners (25-29) face the Athletics (27-26) at Sutter Health Park on Monday at 9:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Luis Castillo is the probable pitcher for the Mariners, while Aaron Civale is the probable pitcher for the Athletics. The Mariners are favored to win at -115, while the Athletics are at -105. The total runs line is set at 10.5, with OVER at -112 and UNDER at -108.
- The Mariners (+134) have a 21-33 Run Line record this season, while the Athletics (-162) hold a record of 29-24.
- The Mariners have a 24-28-2 O/U record this season (meaning 24 games have gone over the total runs line, 28 have gone under and two have resulted in a push). The Athletics have a 24-26-3 O/U record.
Scoring Insights
- The Mariners are averaging 4.0 runs per game this season (22nd in the league). Comparatively, the Athletics are averaging 4.4 (14th).
- In the field, the Mariners are allowing 3.9 runs per game this season (8th in the league), while the Athletics are allowing an average of 4.5 runs (20th).
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 an impressive .249 (ranking 5th in the Major leagues), while the Mariners are batting an underwhelming .225 (29th).
Home Runs
- In terms of total home runs this season, the Athletics have hit 55 (T15th in the Major Leagues). Meanwhile, the Mariners have managed 60 (T10th).
Runs Batted In
- Finally, looking at their runs batted in, the Mariners have recorded 213 RBIs to rank 19th in the MLB this season. Comparatively, the Athletics have recorded 227 RBIs to rank 10th.
Pitching Insights:
Earned Run Average
- The Athletics have an earned run average of 4.25 this season (23rd in the Majors), while The Mariners have an ERA of 3.66 (8th).
Strikeouts
- Turning our attention to total strikeouts, the Mariners have recorded 462 this season, ranking T10th in the MLB. Meanwhile, the Athletics rank 24th for total strikeouts, recording 418.
Opponent Batting Average
- Opponents are batting an average of .251 against the Athletics this season (25th in the Major Leagues). Comparatively, the Mariners' opponents are at .250 (23rd).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Mariners | 15-14-25 | 10-9-10 | 5-5-15 | 15-13-21 | 0-1-4 | 0-0-0 | 4-2-4 |
| Athletics | 11-15-27 | 4-8-10 | 7-7-17 | 3-6-8 | 8-9-19 | 0-0-0 | 1-2-7 |
Lead After Three Innings
The Mariners are -110 to lead after three innings, while the Athletics are -120.
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Mariners | 22-18-14 | 13-10-6 | 9-8-8 | 19-17-13 | 3-1-1 | 0-0-0 | 4-3-3 |
| Athletics | 22-19-12 | 8-9-5 | 14-10-7 | 4-9-4 | 18-10-8 | 0-0-0 | 3-5-2 |
NRFI/YRFI
The NRFI market is paying +120 and the YRFI is paying -155.
- The NRFI is 22-32 in Mariners games this season. The Athletics have a 24-29 NRFI record.
Last Time They Met
The Mariners recorded a 5-4 victory over the Athletics at T-Mobile Park when these teams last met on April 22. Cal Raleigh was unstoppable in that matchup, hitting a home run, a double and recording an RBI.















