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

Odds updated as of 5:13 a.m.

MLB action on Sunday includes the Seattle Mariners facing 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 regarding 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 look to Emerson Hancock against the Guardians and Slade Cecconi. Hancock and his team were 9-7-0 against the spread when he pitched last season. 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 had a 13-11-0 record against the spread when he pitched. Cecconi and his team went 6-4 in the 10 games he appeared in when they were moneyline underdogs a season ago.

Mariners vs Guardians Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (61.1%)

Mariners vs Guardians Moneyline

• The Mariners vs Guardians moneyline has Seattle as a -178 favorite, while Cleveland is a +150 underdog on the road.

Mariners vs Guardians Spread

• The Guardians are at +1.5 on the runline against the Mariners. The Guardians are -152 to cover the spread, and the Mariners are +126.

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 victorious in 66, or 57.9%, of the 114 contests they were chosen as favorites last season.
• Last year, Seattle won 21 of 28 games when listed as at least -178 on the moneyline.
• The Mariners and their opponents hit the over in 91 of their 168 games with a total last season.
• The Guardians compiled a 41-47 record in games last season when they were the underdog on the moneyline (winning 46.6% of those games).
• Cleveland went 4-8 in games it played as a moneyline underdog with odds of +150 or longer (33.3%).
• The Guardians played in 161 games with a set over/under 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.
• Josh Naylor ended his last campaign with 160 hits, an OBP of .353, plus a slugging percentage of .462.
• Randy Arozarena slashed .238/.334/.426 and finished with an OPS of .760.

Guardians Player Leaders

• Jose Ramirez had an OBP of .360 with 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 hitting .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)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!