Colorado Rockies vs Seattle Mariners Prediction, 9/24/2025 MLB Picks, Best Bets & Odds

Game: Colorado Rockies vs Seattle Mariners

Date: Wednesday, September 24, 2025

Location: T-Mobile Park in Seattle, WA

TV: Root Sports Northwest

Odds/Point Spread: Colorado (+150) Seattle (-182)

T-Mobile Park is the location where the Seattle Mariners (87-69) will meet the Colorado Rockies (43-113) on Wednesday. The line on this matchup has the Rockies at +150 and the Mariners are at -182. The over/under has been set at 9. The men taking the mound will be Tanner Gordon and Luis Castillo.

The Rockies have hit 245 doubles as a unit and have hit 155 balls out of the stadium. Colorado has a slugging % of .389 and have struck out 1,463 times, while being walked on 385 occasions. As a squad, the Colorado Rockies are scoring 3.7 runs per game, which is 29th in the league. They have recorded 568 RBI's as well as 1,246 base knocks over the course of the season, while their average at the plate is .239. They have notched a total of 584 runs and have an on-base percentage of .295.

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The Rockies hold a team earned run average of 5.99 so far this year (30th in the league), and the staff has rung up 1,046 hitters. Rockies pitchers have yielded 239 home runs and also 988 runs in total (30th in MLB). They have walked 530 batters and their FIP is 5.21 as a squad on the campaign. Colorado has given up 1,628 hits (10.8 per 9 innings) as well as 904 earned runs. They have a strikeout to walk ratio of 1.97 and their pitching staff holds a WHIP of 1.59.

The Rockies relief pitchers have a save percentage of 54.7% and have entered the game in 111 save situations. The bullpen pitchers have inherited 267 base runners on the season and 34.8% of those players ended up crossing the plate. Rockies relief pitchers have entered the contest with opponents on base 156 times as well as having 137 appearances in high leverage situations. The Rockies have dispatched 512 relief pitchers to the hill so far this year. The relievers have a total of 58 holds on the year (30th in baseball). They have accumulated 29 saves so far this year and have not converted 24 of their 53 save opportunities.

The Rockies have turned 65.9% of balls hit into play into outs out of 12,234 innings on the diamond, which has them sitting 30th in professional baseball. The Cleveland Guardians have notched a total of 4,078 putouts on the campaign, as well as 1,428 assists and 108 errors. Their fielding percentage is currently at .981 which is 29th in pro baseball, and have earned 153 double plays.

Gordon has taken the ball for 106 innings and has tallied 85 strikeouts so far in his pro baseball career. His earned run average is 6.87 (81 ER's allowed) and his WHIP is 1.546. He has surrendered 141 hits (12.0 hits per 9 innings) with 23 free passes. Gordon (6-13 win-loss record in his career) sits with a FIP of 6.77 while going up against 478 opposing batters in the majors.

The Mariners hold a team slugging percentage of .420 and they are earning 4.75 runs per outing (10th in baseball). They have notched 225 two-baggers, while taking a walk 525 times and earning 741 runs. Seattle has hit 230 home runs on the season to go along with 710 RBIs. They have been rung up on 1,375 occasions (6th in MLB) and have a total of 1,297 base knocks. The Seattle Mariners have an on-base percentage of .320 and a team batting average of .244 this season.

The Mariners have a team WHIP of 1.231 in addition to having a FIP of 4.02 as a staff so far this season. They are currently ranked 17th in baseball as a staff in total hits relinquished with 1,292. The Seattle pitching staff have allowed 673 runs so far this season and come in with a team ERA of 3.89 (608 earned runs surrendered). They have earned a strikeout to walk ratio of 8.70 (1,362 strikeouts against 441 walks). They have allowed 186 home runs and they give up 4.30 runs per 9 innings (12th in baseball).

Seattle relievers hold an inherited score rate of 24.6% of 142 inherited base runners. Their relief pitchers have stepped onto the hill 213 times in high leverage situations and also on 129 occasions with runners on base. Sitting with 157 save situations, the Mariners have earned 90 holds and also 25 blown saves. They sit at 19th in the league holding a save percentage of 62.7%, and they have sent 530 relief pitchers to the hill on the season. Seattle has called on bullpen pitchers to step onto the hill in 67 save chances and they have come away with 42 saves.

The Seattle Mariners have gotten 115 double plays and have a fielding percentage of .988 (8th in the majors). The Mariners have accrued 1,313 assists, 68 errors and have 4,226 putouts so far this season. Out of their 12,678 innings on the diamond, the Mariners hold a efficiency on defense of 70.2% (13th in the majors).

In his pro baseball career, Castillo has surrendered 1,207 hits while tallying 1,483 K's in 1,403 innings pitched. He has given up 556 earned runs while holding a WHIP of 1.183 and having a FIP of 3.5. He has a strikeout to walk ratio of 3.27 and he has gone up against 5,801 hitters in his MLB career. Castillo (83-84 career record) is the owner of a 3.57 earned run average and has given up 7.7 hits per 9 innings.

Who will win tonight's MLB game against the spread or moneyline?

Josh Schonwald's Pick: Take Colorado (+150)

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