Guaranteed Rate Field
Guaranteed Rate Field plays as a strong pitcher's park. Games there average 7.88 total runs versus a league average of 9.02, a run factor of 0.89, which ranks #33 of 35 MLB parks for scoring.
A run factor of 0.89 means Guaranteed Rate Field yields about -11% the runs of a neutral park. The home run factor (-11%) tells you how much of that comes from the ball leaving the yard, which is the part altitude, dimensions and wind swing the most.
Average total runs by game-time temperature here.
The home team wins 28.4% of games at Guaranteed Rate Field, across 81 games. Run environment and home success are separate questions: a park can inflate scoring without helping the home side win, which is exactly the story at the most extreme hitters' parks.
From 81 games at Guaranteed Rate Field in our database, rebuilt nightly. Factors are normalized so 1.00 equals the league-average park. Descriptive history, not a prediction, and it updates on its own.
Last recomputed August 22, 2026.