In May 2025, the Colorado Rockies claimed the worst 50-game start in MLB's modern era, with an 8-42 record. The Rockies are on pace to lose 136 games this season, which would pass the 1899 ...

At 6-33, the Rockies obtained the worst MLB record of the season and the worst 39-game start to a season in National League history. The Chicago White Sox struggled at an even greater historical ...