MLB Prop Bets: Pittsburgh Pirates vs Seattle Mariners (June 23, 2026)
The Seattle Mariners (40-39) face the Pittsburgh Pirates (39-39) at PNC Park on Tuesday at 6:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. George Kirby is the probable pitcher for the Mariners, while Mitch Keller is the probable pitcher for the Pirates. The Mariners are favored to win at -122, while the Pirates are at +101. The total runs line is set at 8.0, with OVER at -117 and UNDER at -103.
- The Mariners (+136) have a 33-46 Run Line record this season, while the Pirates (-164) hold a record of 36-42.
- The Mariners have a 38-37-4 O/U record this season (meaning 38 games have gone over the total runs line, 37 have gone under and four have resulted in a push). The Pirates have a 43-32-3 O/U record.
Scoring Insights
- The Mariners are averaging 4.1 runs per game this season (22nd in the league). Comparatively, the Pirates are averaging +0.9 more at 5.0 runs (5th).
- In the field, the Mariners are allowing only 3.9 runs per game this season (5th in the league), while the Pirates are allowing an average of 4.8 runs (22nd).
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 Pirates are at an impressive .255 (ranking 4th in the Major leagues), while the Mariners are batting an underwhelming .232 (26th).
Home Runs
- In terms of total home runs this season, the Pirates have hit 94 (14th in the Major Leagues). Meanwhile, the Mariners have managed 98 (T9th).
Runs Batted In
- Finally, looking at their runs batted in, the Mariners have recorded 317 RBIs to rank 20th in the MLB this season. Comparatively, the Pirates have recorded 374 RBIs to rank 5th.
Pitching Insights:
Earned Run Average
- The Pirates have an earned run average of 4.17 this season (16th in the Majors), while The Mariners have an ERA of 3.62 (5th).
Strikeouts
- Turning our attention to total strikeouts, the Mariners have recorded 692 this season, ranking 7th in the MLB. Meanwhile, the Pirates rank 4th for total strikeouts, recording 711.
Opponent Batting Average
- Opponents are batting an average of .236 against the Pirates this season (7th in the Major Leagues). Comparatively, the Mariners' opponents are at .239 (12th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Mariners | 21-17-41 | 13-10-18 | 8-7-23 | 21-15-35 | 0-2-6 | 0-0-0 | 3-2-5 |
| Pirates | 27-11-40 | 14-5-20 | 13-6-20 | 18-5-22 | 9-6-18 | 0-0-0 | 2-1-7 |
Lead After Three Innings
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Mariners | 35-25-19 | 20-12-9 | 15-13-10 | 30-23-18 | 5-2-1 | 0-0-0 | 3-4-3 |
| Pirates | 34-25-19 | 21-8-10 | 13-17-9 | 23-12-10 | 11-13-9 | 0-0-0 | 3-7-0 |
NRFI/YRFI
The NRFI market is paying -105 and the YRFI is paying -125.
- The NRFI is 36-43 in Mariners games this season. The Pirates have a 38-40 NRFI record.
Last Time They Met
The Mariners recorded an 1-0 victory over the Pirates at T-Mobile Park when these teams last met on July 6, 2025. Randy Arozarena went yard en route to that victory, hitting a home run to go with an RBI. The Mariners have now won five straight at T-Mobile Park against the Pirates.
