MLB Preview · August 4, 2026

New York Mets at Cleveland Guardians: Prediction, Odds & Preview

NYM 41-57at CLE 51-46·Progressive Field·

DiamondIQ Model — Win Probability

NYM41.9%58.1%CLE

The model leans CLE (58.1%). 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

This is an early look at the August 4 matchup between the New York Mets and the Cleveland Guardians at Progressive Field, with probable starters yet to be announced for either side. The season-long records tell a clear story heading into this one: Cleveland sits at 51-46, playing winning baseball on the home side of the ledger, while New York is 40-57 and has struggled to find consistency across the summer. The DiamondIQ model's estimate gives the Guardians a 58.4% win probability, with the home-field advantage and what the model reads as a starting-pitcher quality gap — captured through its PitchIQ component — both pulling in Cleveland's direction. The model leans toward the Guardians, though it is worth noting the v2 model does not yet factor in bullpen condition, lineup construction, or weather when generating that figure.

On the relief side, the data available does offer something to chew on. Cleveland's bullpen carries a BullpenIQ of 57 out of 100 over the last three games but has five relievers coming out of heavy usage, which could limit Terry Francona's options late in a close game. The Mets' pen grades out at 53 with four fresh arms available, giving New York's relievers a freshness edge even if closer Devin Williams is the back-end anchor on a team that is otherwise well below .500. Cleveland's Cade Smith holds the closer role on a bullpen that may need careful management given the workload accumulated.

The weather forecast is worth monitoring closely as this game approaches. A thunderstorm is projected at first pitch with an 80-degree temperature, winds at 21 mph blowing west-southwest — left to right at Progressive Field — and a 90% precipitation probability. Any delay or suspension scenario could reshape how both clubs deploy their pitching staffs, and the heavy winds could influence ball flight in a park that would already see significant atmospheric movement under those conditions. On the injury front, Cleveland is without José Ramírez at third base on the 10-day IL, which is a notable absence from one of the more impactful lineup spots in the American League. The one thing to watch as starters are announced: whether the pitcher quality gap the model has already priced in narrows or widens once names are attached to those rotation slots.

Analysis generated by DiamondIQ's model.

Forecast at First Pitch

☁️77°FOvercast
Wind 3 mph W · L→R
Precip 0%

Injured List

NYM
Mark Vientos (1B)Injured 10-Day
Austin Warren (P)Injured 15-Day
Clay Holmes (P)Injured 60-Day
Dedniel Núñez (P)Injured 60-Day
Justin Hagenman (P)Injured 60-Day
Luis Robert Jr. (CF)Injured 60-Day
CLE
Angel Martínez (LF)Injured 10-Day
José Ramírez (3B)Injured 10-Day
Tim Herrin (P)Injured 15-Day
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