MLB Prop Bets: Seattle Mariners vs Philadelphia Phillies (August 24, 2026)
The Philadelphia Phillies (73-58) face the Seattle Mariners (62-69) at T-Mobile Park on Monday at 9:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Zack Wheeler is the probable pitcher for the Phillies, while Logan Gilbert is the probable pitcher for the Mariners. The Phillies are favored to win at -123, while the Mariners are at +102. The total runs line is set at 6.5, with OVER at -121 and UNDER at +101.
- The Phillies (+152) have a 55-76 Run Line record this season, while the Mariners (-185) hold a record of 50-81.
- The Phillies have a 60-63-8 O/U record this season (meaning 60 games have gone over the total runs line, 63 have gone under and eight have resulted in a push). The Mariners have a 66-57-8 O/U record.
Scoring Insights
- The Phillies are averaging 4.6 runs per game this season (10th in the league). Comparatively, the Mariners are averaging only 3.9 (30th).
- In the field, the Phillies are allowing 4.4 runs per game this season (14th in the league), while the Mariners are allowing an average of 4.4 runs (15th).
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 Phillies are at .243 (ranking 17th in the Major leagues), while the Mariners are batting .229 (29th).
Home Runs
- In terms of total home runs this season, the Mariners have hit 149 (16th in the Major Leagues). Meanwhile, the Phillies have managed 158 (11th).
Runs Batted In
- Finally, looking at their runs batted in, the Phillies have recorded 580 RBIs to rank 9th in the MLB this season. Comparatively, the Mariners have recorded 495 RBIs to rank 30th.
Pitching Insights:
Earned Run Average
- The Mariners have an earned run average of 4.12 this season (15th in the Majors), while The Phillies have an ERA of 4.11 (14th).
Strikeouts
- Turning our attention to total strikeouts, the Phillies have recorded 1290 this season, ranking 1st in the MLB. Meanwhile, the Mariners rank 11th for total strikeouts, recording 1114.
Opponent Batting Average
- Opponents are batting an average of .249 against the Mariners this season (21st in the Major Leagues). Comparatively, the Phillies' opponents are at .250 (22nd).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Phillies | 36-30-65 | 24-15-29 | 11-15-36 | 30-22-47 | 6-8-18 | 1-0-0 | 3-3-4 |
| Mariners | 32-34-65 | 19-15-31 | 13-19-34 | 26-24-51 | 6-10-14 | 0-0-0 | 5-4-1 |
Lead After Three Innings
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Phillies | 59-46-26 | 35-21-12 | 23-25-14 | 49-33-17 | 10-13-9 | 1-0-0 | 6-3-1 |
| Mariners | 53-49-29 | 30-21-14 | 23-28-15 | 40-36-25 | 13-13-4 | 0-0-0 | 6-4-0 |
NRFI/YRFI
The NRFI market is paying -140 and the YRFI is paying +110.
- The NRFI is 62-69 in Phillies games this season. The Mariners have a 60-71 NRFI record.
Last Time They Met
The Phillies recorded a lopsided 11-2 victory against the Mariners at Citizens Bank Park when these teams last met on August 20, 2025. Trea Turner went yard en route to that victory, hitting a home run to go with 2 RBIs. The Phillies have now won five straight at Citizens Bank Park against the Mariners.
