MLB Preview · May 7, 2027

Colorado Rockies at Cincinnati Reds: Prediction, Odds & Preview

COL 0-0at CIN 0-0·Great American Ball Park·

DiamondIQ Model — Win Probability

COL47.5%52.5%CIN

The model leans CIN (52.5%). DiamondIQ model v2: season records, home-field advantage, the starting-pitcher quality gap (PitchIQ), and a calibration adjustment fit and validated on four seasons of backtest — plus live game state once underway.

The Matchup

The Colorado Rockies visit Great American Ball Park on May 7 to face the Cincinnati Reds in a matchup both clubs enter at 0-0. The DiamondIQ model's estimate gives Cincinnati a 52.5 percent win probability against Colorado's 47.5 percent, a modest edge that reflects the Reds' home-field advantage and a slight PitchIQ-driven starting-pitcher quality gap in Cincinnati's favor. With both sides deadlocked in the standings, the model's lean toward the Reds is narrow enough that this figures to be a competitive game on paper, and the 5-point spread in win probability signals the model sees this closer to a coin flip than a clear mismatch.

Because probable starters have not yet been announced for either side, the pitching picture remains an open question and will shape the game's complexion considerably once confirmed. What can be said now is that Colorado arrives with a notably taxed bullpen, carrying a BullpenIQ score of 45 out of 100 with five arms logging heavy usage over the past three games and closer Jordan Romano headlining the relief corps. Cincinnati's bullpen grades out modestly better at 51 out of 100, though four of their relievers are also in heavy-use territory, with Emilio Pagán serving as the back-end option. The Rockies' pitching staff is also operating with significant depth constraints, as five arms currently sit on the injured list including Chase Dollander and Jose Quintana on 60-day stints. Cincinnati is dealing with its own absences, including Nick Lodolo and Brandon Williamson among the pitching staff.

Conditions at first pitch project to be largely neutral, with an overcast sky, 83 degrees, a minimal 3 mph northeast wind carrying left to right, and only a 17 percent precipitation probability. The calm wind limits any meaningful carry effect at a ballpark historically favorable to offense. The one thing to watch as this game approaches is which starters each club names, since the model's current lean on Cincinnati is partly anchored in the PitchIQ component and a confirmed starter pairing on either side could shift that calculus in either direction before first pitch.

Analysis generated by DiamondIQ's model.

Forecast at First Pitch

⛈️80°FThunderstorm
Wind 4 mph NW · out to CF
Precip 14%

Injured List

COL
Blas Castaño (P)Injured 15-Day
Jaden Hill (P)Injured 15-Day
Jeff Criswell (P)Injured 15-Day
Sean Sullivan (P)Injured 15-Day
Chase Dollander (P)Injured 60-Day
Jose Quintana (P)Injured 60-Day
CIN
Blake Dunn (CF)Injured 10-Day
Spencer Steer (1B)Injured 10-Day
Nick Lodolo (P)Injured 15-Day
Tony Santillan (P)Injured 15-Day
Brandon Williamson (P)Injured 60-Day
Graham Ashcraft (P)Injured 60-Day
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