Miami Marlins vs. Colorado Rockies Prediction and Picks - September 17, 2025
The Colorado Rockies will host the Miami Marlins at Coors Field, and we have you ready to go with the Marlins vs Rockies prediction.
Opening Pitch is slated for 8:40 PM Eastern, as the Marlins try to make their case for a postseason appearance. Read on for the Marlins vs Rockies prediction and more free MLB picks.
This article was written before Tuesday's action.
Marlins Win 4 Of 5
Miami was held scoreless after scoring a combined 19 runs in its prior three games. Miami finished with seven hits as the team struck out eight times in the contest. Eric Wagaman led the way with two hits and no strikeouts. Adam Mazur got the start, and over six innings, he struck out four and allowed no runs.
RHP Ryan Weathers is expected to take the mound on Wednesday. This season, he’s made 6 starts, holding a 2–1 record with a 2.73 ERA over 29.2 innings pitched. He’s struck out 27 batters while issuing 8 walks, resulting in a WHIP of 1.21. Weathers has been tossing stronger on the road, and in his first start since June, he retired four without allowing any runs.
On the road this season, Weathers holds the following splits:
- ERA: 2.63
- Opponent Batting Average (OBA): .160
- BB/K Ratio: 0.20
Miami enters this contest averaging 4.36 runs per game, which lands them at 15th in the league. The Marlins have climbed to right around the top 10 in overall batting average, but they've been hitting weaker both on the road and in night games this season. What's more, the Marlins are sitting in the bottom five in both walks received and strikeouts per game. This comes with a bottom-10 home run rate. Given the inconsistencies at the plate this season for Miami, they'll need to take advantage when runners are in scoring position here.
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Rockies Woes Continue
Colorado scored six runs, but it was not enough to get the job done as they fell in a 6-9 final. The Rockies finished with eight hits as two players logged multiple hits at the plate. Mickey Moniak finished with four hits, five RBIs, and two home runs. Colorado struck out 13 times in the contest. German Marquez got the start, and over 2.1 innings, he struck out non and allowed six earned runs.
RHP McCade Brown is scheduled to get the start for the Colorado Rockies. This season, he has made 4 major-league starts, compiling a 0-4 record with a 9.88 ERA over 13.2 innings pitched. He has recorded 10 strikeouts against 9 walks, resulting in a 2.12 WHIP. He's been much more vulnerable at home, where opponents are hitting over .380 at the plate.
At home this season, Brown holds the following splits:
- ERA: 14.29
- Opponent Batting Average (OBA): .385
- BB/K Ratio: 1.00
Colorado enters this contest averaging 2.89 runs per game, which lands them at 30th in the league. The Rockies are much weaker on the road as their batting average falls to .219 and fewer than half of their home runs and extra base hits came on the road. They have hit an average in afternoon games, where home runs sailed at an above-average clip. Home runs were few and far between for the offense last season, and poor plate discipline has seen the Rockies drop to the bottom five in both walks received and strikeouts per game. They will need to keep their plate composure here.
Marlins vs. Rockies Pick
Money Line Prediction for Marlins vs Rockies
- Marlins ML (4 Units)
Frankly, it's hard to have confidence in either of these offenses. That said, the Marlins are hitting above their season average in September and have seen home runs come at a more frequent rate. On top of that, they are riding positive momentum after winning four of their last five. Brown has been vulnerable at times this season, and he's walked as many batters as he's struck out at home.
Miami ML
Total Prediction for Marlins vs Rockies
- Over 11.5 (4 Units)
Neither of these pitchers has been exceptionally well this season, and, despite tossing stronger in their respective splits, neither has been particularly consistent. Meanwhile, both teams are sitting in the top half of the league when it comes to driving home runners in scoring position. Miami has found ways to get hits this month, and Colorado continues to extend hits and get the most out of each hit. With K rates low for each starting hurler, expect both offenses to get to work early.
Over 11.5
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