Mariners vs Rockies Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 25

Odds updated as of 9:12 p.m.

The MLB's Thursday schedule includes the Seattle Mariners facing the Colorado Rockies.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's everything you need to know.

Mariners vs Rockies Game Info

• Seattle Mariners (89-69) vs. Colorado Rockies (43-115)
• Date: Thursday, September 25, 2025
• Time: 9:40 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: ROOT Sports NW and COLR

Mariners vs Rockies Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-320) | COL: (+260)
• Spread: SEA: -1.5 (-150) | COL: +1.5 (+125)
• Total: 7.5 -- Over: (-118) | Under: (-104)

Mariners vs Rockies Probable Starting Pitchers

Probable Pitchers: Emerson Hancock (Mariners) - 4-5, 5.13 ERA vs Bradley Blalock (Rockies) - 2-5, 9.16 ERA

The Mariners will give the ball to Emerson Hancock (4-5, 5.13 ERA), who is eyeing win No. 5 on the season, and the Rockies will turn to Bradley Blalock (2-5, 9.16 ERA). Hancock's team is 8-6-0 against the spread this season in his starts. Hancock's team is 2-3 this season when he starts and they are the moneyline favorite. The Rockies have a 4-6-0 record against the spread in Blalock's starts. The Rockies have a 2-8 record in Blalock's 10 starts this season when they were the moneyline underdog.

Mariners vs Rockies Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (68.3%)

Mariners vs Rockies Moneyline

• Colorado is a +260 underdog on the moneyline, while Seattle is a -320 favorite at home.

Mariners vs Rockies Spread

• The Mariners are hosting the Rockies and are favored by 1.5 runs (-150 to cover) on the runline. Colorado is +125 to cover.

Mariners vs Rockies Over/Under

• Mariners versus Rockies, on Sept. 25, has an over/under of 7.5, with the over being -118 and the under -104.

Bet on Seattle Mariners vs. Colorado Rockies on FanDuel today!

Mariners vs Rockies Betting Trends

• The Mariners have been favorites in 108 games this season and have come away with the win 65 times (60.2%) in those contests.
• Seattle has played as a favorite of -320 or more just one time this year and came away with a loss in that game.
• Contests with the Mariners have gone over the total set by sportsbooks in 83 of 153 chances this season.
• The Mariners are 69-84-0 against the spread in their 153 games that had a posted line this season.
• The Rockies have been the moneyline underdog 148 total times this season. They've gone 38-110 in those games.
• When playing as a moneyline underdog with odds of +260 or longer, Colorado has a record of 3-17 (15%).
• The Rockies have combined with opponents to hit the over on the total 67 times this season for a 67-81-5 record against the over/under.
• The Rockies have covered 40.5% of their games this season, going 62-91-0 ATS.

Mariners Player Leaders

• Cal Raleigh leads Seattle in OBP (.361) and total hits (144) this season. He's batting .248 batting average while slugging .598.
• He is 95th in batting average, 20th in on-base percentage, and third in slugging among all qualifying hitters in MLB.
• Julio Rodriguez has an OPS of .803, fueled by an OBP of .324 and a team-best slugging percentage of .479 this season. He's batting .269.
• Among qualifiers, he ranks 42nd in batting average, 83rd in on-base percentage and 31st in slugging percentage.
• Josh Naylor is batting .292 with a .459 slugging percentage and 92 RBI this year.
• Naylor enters this game with 10 games in a row with at least one hit. In his last 10 games he is hitting .410 with three doubles, a home run, two walks and 12 RBIs.
• Eugenio Suarez has been key for Seattle with 131 hits, an OBP of .302 plus a slugging percentage of .531.

Rockies Player Leaders

• Hunter Goodman has racked up a team-best slugging percentage (.517) while pacing the Rockies in hits (145). He's batting .277 and with an on-base percentage of .322.
• Including all qualifying hitters in the big leagues, he ranks 30th in batting average, 91st in on-base percentage and 13th in slugging percentage.
• Mickey Moniak is hitting .270 with 20 doubles, eight triples, 24 home runs and 22 walks. He's slugging .521 with an on-base percentage of .306.
• Jordan Beck has racked up a team-best .324 on-base percentage.
• Tyler Freeman is batting .281 with 20 doubles, two triples, two home runs and 34 walks.

Mariners vs Rockies Head to Head

• 9/24/2025: 9-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -300, Underdog Moneyline: +245)
• 9/23/2025: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -300, Underdog Moneyline: +245)
• 4/21/2024: 10-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 11, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 4/21/2024: 2-1 COL (Favorite: Mariners, Spread: -1.5, Total: 10.5, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 4/20/2024: 7-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 9.5, Favorite Moneyline: -184, Underdog Moneyline: +154)
• 4/16/2023: 1-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -300, Underdog Moneyline: +245)
• 4/15/2023: 9-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -250, Underdog Moneyline: +205)
• 4/14/2023: 5-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -178, Underdog Moneyline: +150)

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