MLB Prop Bets: Cleveland Guardians vs Seattle Mariners (June 26, 2026)
The Seattle Mariners (41-41) face the Cleveland Guardians (42-39) at Progressive Field on Friday at 7:10pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Luis Castillo is the probable pitcher for the Mariners, while Joey Cantillo is the probable pitcher for the Guardians. The Guardians are favored to win at -114, while the Mariners are at -105. The total runs line is set at 7.5, with OVER at -106 and UNDER at -114.
- The Mariners (+161) have a 33-49 Run Line record this season, while the Guardians (-197) hold a record of 39-42.
- The Mariners have a 39-39-4 O/U record this season (meaning 39 games have gone over the total runs line, 39 have gone under and four have resulted in a push). The Guardians have a 39-42-0 O/U record.
Scoring Insights
- The Mariners are averaging 4.0 runs per game this season (25th in the league). Comparatively, the Guardians are averaging 4.0 (29th).
- In the field, the Mariners are allowing only 4.0 runs per game this season (6th in the league), while the Guardians are allowing an average of 4.0 runs (8th).
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 Mariners are at .231 (ranking 27th in the Major leagues), while the Guardians are batting .228 (28th).
Home Runs
- In terms of total home runs this season, the Guardians have hit 75 (25th in the Major Leagues). Meanwhile, the Mariners have managed 100 (T9th).
Runs Batted In
- Finally, looking at their runs batted in, the Mariners have recorded 322 RBIs to rank 21st in the MLB this season. Comparatively, the Guardians have recorded 306 RBIs to rank 28th.
Pitching Insights:
Earned Run Average
- The Guardians have an earned run average of 3.79 this season (6th in the Majors), while The Mariners have an ERA of 3.71 (5th).
Strikeouts
- Turning our attention to total strikeouts, the Mariners have recorded 722 this season, ranking 6th in the MLB. Meanwhile, the Guardians rank 5th for total strikeouts, recording 739.
Opponent Batting Average
- Opponents are batting an average of .237 against the Guardians this season (9th in the Major Leagues). Comparatively, the Mariners' opponents are at .241 (17th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Mariners | 22-18-42 | 13-10-18 | 9-8-24 | 21-16-36 | 1-2-6 | 0-0-0 | 3-2-5 |
| Guardians | 16-16-49 | 9-7-20 | 7-9-29 | 10-8-25 | 6-8-24 | 0-0-0 | 1-4-5 |
Lead After Three Innings
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Mariners | 36-27-19 | 20-12-9 | 16-15-10 | 30-25-18 | 6-2-1 | 0-0-0 | 3-4-3 |
| Guardians | 30-25-26 | 17-10-9 | 13-15-17 | 17-12-14 | 13-13-12 | 0-0-0 | 3-3-4 |
NRFI/YRFI
- The NRFI is 37-45 in Mariners games this season. The Guardians have a 46-35 NRFI record.
Last Time They Met
The Mariners recorded a lopsided 8-0 victory against the Guardians at T-Mobile Park when these teams last met on March 29. Brendan Donovan was unstoppable in that matchup, hitting a home run, a single and recording 3 RBIs.
