Mariners vs Guardians Prediction, Odds, Moneyline, Spread & Over/Under for March 29

Odds updated as of 7:12 p.m.

The MLB slate on Sunday includes the Seattle Mariners taking on the Cleveland Guardians.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important info about this game.

Mariners vs Guardians Game Info

• Seattle Mariners (1-2) vs. Cleveland Guardians (2-1)
• Date: Sunday, March 29, 2026
• Time: 7:20 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Peacock

Mariners vs Guardians Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-178) | CLE: (+150)
• Spread: SEA: -1.5 (+126) | CLE: +1.5 (-152)
• Total: 7 -- Over: (-102) | Under: (-120)

Mariners vs Guardians Probable Starting Pitchers

Probable Pitchers: Emerson Hancock (Mariners) - 0-0, 0.00 ERA vs Slade Cecconi (Guardians) - 0-0, 0.00 ERA

The Mariners will give the nod to Emerson Hancock against the Guardians and Slade Cecconi. In 16 games he pitched with a spread last season, Hancock and his team finished with a 9-7-0 record ATS. Hancock and his team won 50% of the games he started as the moneyline favorite last season, with a record of 3-3. Last season Cecconi and his team went 13-11-0 against the spread when he pitched. Cecconi and his team went 6-4 in games he appeared in when they were the underdog on the moneyline a season ago.

Mariners vs Guardians Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (60.8%)

Mariners vs Guardians Moneyline

• Looking at the moneyline for Mariners-Guardians, Seattle is the favorite at -178, and Cleveland is +150 playing on the road.

Mariners vs Guardians Spread

• The Mariners are hosting the Guardians and are favored by 1.5 runs on the spread. The Mariners are +126 to cover the runline, with the Guardians being -152.

Mariners vs Guardians Over/Under

• An over/under of 7 has been set for Mariners-Guardians on March 29, with the over being -102 and the under -120.

Bet on Seattle Mariners vs. Cleveland Guardians on FanDuel today!

Mariners vs Guardians Betting Trends

• The Mariners were favorites in 114 games last season and came away with the win 66 times (57.9%) in those contests.
• Last season Seattle came away with a win 21 times in 28 chances when named as a favorite of at least -178 or shorter on the moneyline.
• The Mariners and their opponents hit the over in 91 of their 168 games with a total last season.
• The Guardians finished 41-47 in games they were listed as the moneyline underdog last season (winning 46.6% of those games).
• Cleveland went 4-8 when playing as a moneyline underdog with odds of +150 or longer (33.3%).
• The Guardians played in 161 games with an over/under set last season, and combined with their opponents to go over the total 69 times (69-85-7).

Mariners Player Leaders

• Cal Raleigh had 147 hits and an OBP of .359 last season.
• Julio Rodriguez hit 32 homers while driving in 95 runs.
• Last season, Josh Naylor finished with 20 home runs, 92 RBI and a batting average of .295 last season.
• Randy Arozarena slashed .238/.334/.426 and finished with an OPS of .760.

Guardians Player Leaders

• Jose Ramirez had an on-base percentage of .360 and had 168 hits last season.
• Steven Kwan slugged .374 while batting .272.
• Kyle Manzardo had 19 doubles, two triples, 27 home runs and 48 walks while batting .234 last season.
• Angel Martinez hit .224 with 23 doubles, two triples, 11 home runs and 23 walks.

Mariners vs Guardians Head to Head

• 3/28/2026: 6-5 CLE (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -178, Underdog Moneyline: +150)
• 3/27/2026: 5-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -178, Underdog Moneyline: +150)
• 3/26/2026: 6-4 CLE (Favorite: Mariners, Spread: -1.5, Total: 6.5, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 8/31/2025: 4-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 8/30/2025: 4-3 CLE (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 8/29/2025: 5-4 CLE (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 6/15/2025: 6-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 6/14/2025: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 6/13/2025: 7-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 6/20/2024: 6-3 CLE (Favorite: Guardians, Spread: -1.5, Total: 8, Favorite Moneyline: -126, Underdog Moneyline: +108)

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