MLB Prop Bets: Seattle Mariners vs Athletics (April 22, 2026)
The Athletics (13-11) face the Seattle Mariners (10-15) at T-Mobile Park on Wednesday at 4:10pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Aaron Civale is the probable pitcher for the Athletics, while Logan Gilbert is the probable pitcher for the Mariners. The Mariners are favored to win at -186, while the Athletics are at +153. The total runs line is set at 7.5, with OVER at -108 and UNDER at -112.
- The Athletics (-143) have a 13-11 Run Line record this season, while the Mariners (+119) hold a record of 11-14.
- The Athletics have a 12-11-1 O/U record this season (meaning 12 games have gone over the total runs line, 11 have gone under and one has resulted in a push). The Mariners have an 11-14-0 O/U record.
Scoring Insights
- The Athletics are averaging 4.3 runs per game this season (17th in the league). Comparatively, the Mariners are averaging 3.8 (25th).
- In the field, the Athletics are allowing 4.8 runs per game this season (22nd in the league), while the Mariners are allowing an average of 3.8 runs (7th).
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 .239 (ranking 15th in the Major leagues), while the Mariners are batting .219 (27th).
Home Runs
- In terms of total home runs this season, the Mariners have hit 24 (T15th in the Major Leagues). Meanwhile, the Athletics have managed 25 (14th).
Runs Batted In
- Finally, looking at their runs batted in, the Athletics have recorded 100 RBIs to rank T15th in the MLB this season. Comparatively, the Mariners have recorded 93 RBIs to rank 19th.
Pitching Insights:
Earned Run Average
- The Mariners have an earned run average of 3.40 this season (5th in the Majors), while The Athletics have an ERA of 4.67 (24th).
Strikeouts
- Turning our attention to total strikeouts, the Athletics have recorded 196 this season, ranking T17th in the MLB. Meanwhile, the Mariners rank T10th for total strikeouts, recording 210.
Opponent Batting Average
- Opponents are batting an average of .254 against the Mariners this season (26th in the Major Leagues). Comparatively, the Athletics' opponents are at .245 (21st).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Athletics | 2-11-11 | 1-5-4 | 1-6-7 | 1-3-1 | 1-8-10 | 0-0-0 | 2-5-3 |
| Mariners | 8-7-10 | 7-5-4 | 1-2-6 | 8-6-7 | 0-1-3 | 0-0-0 | 5-2-3 |
Lead After Three Innings
The Athletics are +130 to lead after three innings, while the Mariners are -166.
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Athletics | 7-12-5 | 2-6-2 | 5-6-3 | 0-4-1 | 7-8-4 | 0-0-0 | 2-6-2 |
| Mariners | 10-8-7 | 8-5-3 | 2-3-4 | 8-7-6 | 2-1-1 | 0-0-0 | 6-3-1 |
NRFI/YRFI
The NRFI market is paying -135 and the YRFI is paying +105.
- The NRFI is 11-13 in Athletics games this season. The Mariners have an 8-17 NRFI record.
Last Time They Met
The Athletics recorded an upset 5-2 victory over the Mariners at T-Mobile Park yesterday. Shea Langeliers was unstoppable in that matchup, hitting a home run, a single and recording an RBI.
