MLB Prop Bets: Seattle Mariners vs Cleveland Guardians (March 27, 2026)
The Cleveland Guardians (1-0) face the Seattle Mariners (0-1) at T-Mobile Park on Friday at 9:45pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Gavin Williams is the probable pitcher for the Guardians, while George Kirby is the probable pitcher for the Mariners. The Mariners are favored to win at -171, while the Guardians are at +141. The total runs line is set at 7.0, with OVER at -118 and UNDER at -102.
- The Guardians (-156) have a 90-76 Run Line record since the beginning of last season, while the Mariners (+129) hold a record of 76-99 across the same span.
- The Guardians have a 73-86-7 O/U record since the beginning of last season (meaning 73 games have gone over the total runs line, 86 have gone under and seven have resulted in a push). The Mariners have a 96-72-7 O/U record.
Scoring Insights
- The Guardians have scored 4.0 runs per game since the beginning of last season (T27th in the league). Comparatively, the Mariners have averaged 4.7 over the same span (10th).
- In the field, the Guardians have allowed just 4.0 runs per game since the beginning of last season (6th in the league), while the Mariners have allowed an average of 4.3 runs over that span (17th).
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 since the beginning of last season, the Guardians are at .226 (ranking 29th in the Major leagues), while the Mariners are batting .244 (19th).
Home Runs
- In terms of total home runs since the beginning of last season, the Mariners have hit 242 (3rd in the Major Leagues). Meanwhile, the Guardians have managed 170 (20th).
Runs Batted In
- Finally, looking at their runs batted in, the Guardians have recorded 627 RBIs to rank 28th in the MLB since the beginning of last season. Comparatively, the Mariners have recorded 738 RBIs to rank 10th.
Pitching Insights:
Earned Run Average
- The Mariners have an earned run average of 3.88 since the beginning of last season (14th in the Majors), while The Guardians have an ERA of 3.70 (5th).
Strikeouts
- Turning our attention to total strikeouts, the Guardians have recorded 1395 since the beginning of last season, ranking 12th in the MLB. Meanwhile, the Mariners rank 6th for total strikeouts, recording 1437.
Opponent Batting Average
- Opponents are batting an average of .241 against the Mariners since the beginning of last season (15th in the Major Leagues). Comparatively, the Guardians' opponents are at .238 (10th).
First Innings Moneyline
- Here are their first innings moneyline records since the beginning of last season.
| Total | Home | Road | Favorite | Underdog | Neutral | |
|---|---|---|---|---|---|---|
| Guardians | 37-31-98 | 22-17-45 | 15-14-53 | 20-15-38 | 17-16-60 | 0-0-0 |
| Mariners | 40-36-99 | 18-14-56 | 22-22-42 | 31-23-70 | 9-13-29 | 0-0-1 |
Lead After Three Innings
The Guardians are +124 to lead after three innings, while the Mariners are -160.
- Here are their records after the first three innings since the beginning of last season.
| Total | Home | Road | Favorite | Underdog | Neutral | |
|---|---|---|---|---|---|---|
| Guardians | 60-60-46 | 31-31-22 | 29-29-24 | 30-24-19 | 30-36-27 | 0-0-0 |
| Mariners | 70-57-48 | 36-22-30 | 34-34-18 | 54-34-36 | 16-23-12 | 0-1-0 |
NRFI/YRFI
The NRFI market is paying -145 and the YRFI is paying +110.
- The NRFI is 91-75 in Guardians games since the beginning of last season. The Mariners have a 90-85 NRFI record.
Last Time They Met
The Guardians recorded an upset 6-4 victory over the Mariners at T-Mobile Park yesterday. Chase DeLauter was crushing the ball in that matchup, hitting 2 home runs and recording 2 RBIs. That result snapped the Mariners' three-game winning streak against the Guardians at T-Mobile Park.
