The Tulsa Drillers are a minor league baseball team based in Tulsa, Oklahoma. The team, which plays in the Texas League, is the Double-A affiliate of the Colorado Rockies major-league club.
The Drillers play at ONEOK Field (pronounced “wun-oak”), in downtown Tulsa’s Greenwood district. The team previously played at Drillers Stadium on the Tulsa County Fairgrounds at 15th and Yale in midtown Tulsa. The Drillers held their first home opener at ONEOK Field on April 8, 2010, losing 7–0 to the Corpus Christi Hooks in front of an over-capacity crowd of 8,665. In their first season in the new ballpark, the Drillers drew total attendance of 408,183, the highest season figure in the history of Tulsa professional baseball.