MLB Preview · April 26, 2027

Milwaukee Brewers at Chicago Cubs: Prediction, Odds & Preview

MIL 0-0at CHC 0-0·Wrigley Field·

DiamondIQ Model — Win Probability

MIL47.5%52.5%CHC

The model leans CHC (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 Milwaukee Brewers travel to Wrigley Field on April 26 to open a series against the Chicago Cubs in what shapes up as a competitive NL Central matchup. Both clubs enter at 0-0, leaving the DiamondIQ model's estimate to lean on home-field advantage and its internal PitchIQ assessment of starting-pitcher quality rather than any win-loss separation. The model gives the Cubs a 52.5 percent win probability against Milwaukee's 47.5 percent, a narrow edge that reflects the value of pitching at home more than any significant roster gap between these two division rivals.

With probable starters not yet announced for either side, the pitching picture remains the central unknown heading into this advance look. What the data does offer is a sense of each club's bullpen depth entering the series. Milwaukee's relief corps carries a BullpenIQ of 56 out of 100, with four fresh arms available and closer Trevor Megill anchoring the back end, though three relievers are listed as heavy and one is likely unavailable. The Cubs bullpen grades slightly lower at 53, with six fresh arms and closer Jacob Webb available. Milwaukee's pen has a modest depth edge in terms of freshness, though neither unit grades as an elite group. Both staffs are also navigating significant IL situations, with the Brewers missing Brandon Woodruff and Kyle Harrison among their pitching corps, and the Cubs without Ben Brown, Daniel Palencia, Edward Cabrera, and Ethan Roberts on the pitching side as well.

Wrigley Field adds its own layer to the equation. DiamondIQ's three-season park factor of 0.94 makes it a modest pitcher's park, suppressing run environment by roughly six percent relative to league average. With a forecast of 82 degrees, a 52 percent precipitation probability, and a light four-mile-per-hour wind blowing east toward right-to-left, conditions could tighten the game further if any early innings carry a heavier feel. The one thing to watch as the series approaches is starter announcements from both clubs — given the extensive pitching injuries on each side, the names that emerge atop either rotation could meaningfully shift the model's current 52.5-to-47.5 lean in either direction.

Analysis generated by DiamondIQ's model.

Forecast at First Pitch

⛈️76°FThunderstorm
Wind 6 mph S · out to CF
Precip 18%

Injured List

MIL
Sal Frelick (RF)Injured 10-Day
JoJo Romero (P)Injured 15-Day
Joel Kuhnel (P)Injured 15-Day
Kyle Harrison (P)Injured 15-Day
Angel Zerpa (P)Injured 60-Day
Brandon Woodruff (P)Injured 60-Day
CHC
Matt Shaw (RF)Injured 10-Day
Ben Brown (P)Injured 15-Day
Daniel Palencia (P)Injured 15-Day
Edward Cabrera (P)Injured 15-Day
Ethan Roberts (P)Injured 15-Day
Gavin Hollowell (P)Injured 15-Day
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