- Matchup: Colorado Rockies vs. Seattle Mariners
- Date: Tuesday, September 23, 2025
- Venue: T-Mobile Park, Seattle, WA
- Broadcast: Root Sports Northwest
- Betting Odds: Colorado (+132) Seattle (-160)
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On Tuesday, the Colorado Rockies (43-113) will face off against the Seattle Mariners (87-69) at T-Mobile Park. The moneyline is set at Colorado +132 and Seattle -160, with a total of 8.5 runs. The starting pitchers for this contest are McCade Brown and Bryce Miller.
This season, Colorado’s offense has produced a slugging percentage of .389, striking out 1,454 times and drawing walks 380 times. They’ve recorded 565 RBIs and amassed 1,242 hits, resulting in a team batting average of .239. The Rockies have hit 244 doubles and launched 154 home runs, scoring 581 runs with an on-base percentage of .295. Collectively, they average 3.8 runs per game, placing them 29th in the league.
The Rockies’ pitching staff holds a team ERA of 6.02 (last in the league) after recording 1,034 strikeouts. They’ve allowed 239 home runs and 987 runs (also last). This season, they’ve issued 528 walks and boast a team FIP of 5.23. Colorado pitchers have given up 1,621 hits (10.8 per 9 innings) and recorded 903 earned runs, leading to a strikeout-to-walk ratio of 1.96 and a WHIP of 1.59.
Relief pitchers for the Rockies have entered games with runners on base 156 times, participating in 134 critical situations. This season, they’ve achieved 56 holds (30th in the league) and have a save percentage of 53.8%, converting just 28 out of 52 save opportunities. They inherited 267 base runners, of which 34.8% scored. So far, the Rockies have utilized 509 relievers this season.
The Cleveland Guardians have recorded 4,051 putouts, 1,418 assists, and 108 errors, yielding a fielding percentage of .981 (29th in MLB) and completing 150 double plays. The Rockies have turned 65.9% of balls in play into outs over 12,153 innings, ranking them last in professional baseball.
In his professional career, Brown has pitched 17 innings, accumulating 11 strikeouts, and holds an ERA of 9.42 (allowing 18 earned runs). His WHIP stands at 2.151, having allowed 24 hits (12.6 hits per nine innings) and issued 13 walks. Brown’s win-loss record is 0-4, with a FIP of 9.28 after facing 93 batters.
The Mariners boast a team slugging percentage of .420 and score an average of 4.74 runs per game (11th in MLB). They’ve hit 224 doubles, walked 523 times, and amassed 734 runs. With 228 home runs this season, they also have 703 RBIs, though they’ve struck out 1,368 times (6th in MLB) and recorded 1,289 hits. Their team OBP is .320, with a batting average of .245.
Seattle’s pitching unit has given up 670 runs this season, holding a team ERA of 3.89 (605 earned runs). They’ve allowed 184 home runs and yielded 4.31 runs per nine innings (12th in the league). The Mariners have a WHIP of 1.233 and a team FIP of 4.01. Their K/BB ratio stands at 8.70 (1,356 strikeouts versus 440 walks), ranking them 19th for hits allowed (1,285).
The Seattle bullpen has inherited 25.0% of 140 runners this season. They’ve faced 213 critical game scenarios and 128 with runners on base. With 157 save situations, the Mariners have recorded 90 holds but also 25 blown saves, holding a 62.7% save rate (19th in MLB). They’ve utilized 527 bullpen pitchers in the season, converting 42 out of 67 save opportunities.
The Seattle Mariners have turned 114 double plays and maintain a .988 fielding percentage (7th in baseball). They’ve accumulated 1,303 assists, 67 errors, and 4,199 putouts this season. Their defensive efficiency sits at 70.1% (13th in the league) across 12,597 innings played.
Throughout his career, Miller has allowed 338 hits and recorded 358 strikeouts over 391 innings pitched. He’s permitted 172 earned runs with a WHIP of 1.124 and a FIP of 3.9. His strikeout-to-walk ratio is 3.51 have encountered 1,592 batters in the major leagues. Miller’s career win-loss record stands at 24-20 with a 3.96 ERA, allowing 7.8 hits per nine innings.
Who will take home the victory in tonight’s MLB showdown against the spread or moneyline?
Prediction: Go with Colorado (+132)
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