Allie P. Reynolds Stadium is a former baseball park located on the campus of Oklahoma State University in Stillwater. Named after the former OSU and New York Yankees baseball great Allie Pierce Reynolds (Feb. 10, 1917-Dec. 26, 1994), the stadium served as the home field for the Cowboy baseball team from its opening on April 4, 1981, until its closure in March 2020. The stadium had a seating capacity of 3,821 and featured a grass playing surface. Over the years, it underwent several renovations, including expanded seating, new perimeter fences and modernized facilities. The stadium hosted nine NCAA Regional tournaments and was known for its vibrant atmosphere and rich history in college baseball.