MLB Prop Bets: Seattle Mariners vs Cleveland Guardians (March 29, 2026)
The Cleveland Guardians (2-1) face the Seattle Mariners (1-2) at T-Mobile Park on Sunday at 7:20pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Slade Cecconi is the probable pitcher for the Guardians, while Emerson Hancock is the probable pitcher for the Mariners. The Mariners are favored to win at -156, while the Guardians are at +129. The total runs line is set at 7.5, with OVER at -112 and UNDER at -108.
- The Guardians (-163) have a 91-77 Run Line record since the beginning of last season, while the Mariners (+135) hold a record of 77-100 across the same span.
- The Guardians have a 74-87-7 O/U record since the beginning of last season (meaning 74 games have gone over the total runs line, 87 have gone under and seven have resulted in a push). The Mariners have a 97-73-7 O/U record.
Scoring Insights
- The Guardians have scored 4.0 runs per game since the beginning of last season (27th 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 .243 (20th).
Home Runs
- In terms of total home runs since the beginning of last season, the Mariners have hit 245 (3rd in the Major Leagues). Meanwhile, the Guardians have managed 172 (20th).
Runs Batted In
- Finally, looking at their runs batted in, the Guardians have recorded 633 RBIs to rank 27th in the MLB since the beginning of last season. Comparatively, the Mariners have recorded 747 RBIs to rank 10th.
Pitching Insights:
Earned Run Average
- The Mariners have an earned run average of 3.87 since the beginning of last season (13th in the Majors), while The Guardians have an ERA of 3.71 (5th).
Strikeouts
- Turning our attention to total strikeouts, the Guardians have recorded 1417 since the beginning of last season, ranking 11th in the MLB. Meanwhile, the Mariners rank 7th for total strikeouts, recording 1459.
Opponent Batting Average
- Opponents are batting an average of .240 against the Mariners since the beginning of last season (13th in the Major Leagues). Comparatively, the Guardians' opponents are at .238 (9th).
First Innings Moneyline
- Here are their first innings moneyline records since the beginning of last season.
| Total | Home | Road | Favorite | Underdog | Neutral | |
|---|---|---|---|---|---|---|
| Guardians | 38-31-99 | 22-17-45 | 16-14-54 | 20-15-38 | 18-16-61 | 0-0-0 |
| Mariners | 40-37-100 | 18-15-57 | 22-22-42 | 31-24-71 | 9-13-29 | 0-0-1 |
Lead After Three Innings
The Guardians are +100 to lead after three innings, while the Mariners are -130.
- Here are their records after the first three innings since the beginning of last season.
| Total | Home | Road | Favorite | Underdog | Neutral | |
|---|---|---|---|---|---|---|
| Guardians | 61-61-46 | 31-31-22 | 30-30-24 | 30-24-19 | 31-37-27 | 0-0-0 |
| Mariners | 71-58-48 | 37-23-30 | 34-34-18 | 55-35-36 | 16-23-12 | 0-1-0 |
NRFI/YRFI
The NRFI market is paying -125 and the YRFI is paying -105.
- The NRFI is 92-76 in Guardians games since the beginning of last season. The Mariners have a 91-86 NRFI record.
Last Time They Met
The Guardians recorded a 6-5 extra innings victory over the Mariners at T-Mobile Park yesterday. Despite being on the wrong side of that result, Luke Raley went yard in that matchup, hitting a home run to go with 2 RBIs.
