1911: Marion Diggers (Marion, Ohio), Ohio State League; Cooper went 17-11.
The Diggers finished in second place, 4 games back of Springfield, OH. They were 80-59 for the season. The manager was Jack Lewis. Teams in the league that year were: Chillicothe Infants, Hamilton Mechanics, Lancaster Lanks, Lima Cigarmakers, Marion Diggers, Newark Newks, Piqua Picks, Portsmouth Cobblers and the Springfield Reapers.
1912: Columbus Senators (Columbus, Ohio), American Association; Cooper went 16-9.
The Senators finished in third place with a record of 98-68. They were managed by Bill Friel. League teams were: Columbus Senators, Indianapolis Indians, Kansas City (MO) Blues, Louisville (KY) Colonels, Milwaukee Brewers, Minneapolis Millers, St. Paul (MN) Apostles and the Toledo (OH) Mud Hens.
1912 - 1924: Pittsburgh Pirates; Pittsburgh paid $3000 for him. He went out and won three games for them in 1912, averaging just 1.67 runs per nine inning game. He went on to have a great career with the Pirates.
1925: Chicago Cubs
1926: Chicago Cubs, Detroit Tigers; end of major-league career.
1926: Toledo Mud Hens (Toledo, Ohio), American Association.
The Mud Hens finished in fourth place with a record of 87-77. They were managed that year by Casey Stengel. League teams were: Columbus Senators, Indianapolis Indians, Kansas City (MO) Blues, Louisville (KY) Colonels, Milwaukee Brewers, Minneapolis Millers, St. Paul (MN) Saints and the Toledo (OH) Mud Hens.
1927 - 1928: Oakland Oaks (Oakland, California), Pacific Coast League
Oakland finished in first place in 1927 and were league champions, with a record of 120-75. In 1928 they dropped to fifth place with a record of 91-100. Both teams were managed by Ivan Howard. League teams were: Hollywood Stars, Los Angeles Angels, Oakland Oaks, Portland (OR) Beavers, Sacramento Senators, San Francisco Seals and the Seattle Indians.
1929-1930: Shreveport Sports (Shreveport, Louisiana), Texas League
In 1929 the Sports finished second in the league with a record of 91-66. The following year they went 86-65 for a third place finish. Wilbur Cooper only played part of the year in 1930. Both years were managed by Art Phelan. League teams were all from Texas with the exception of the Sports: Beaumont Exporters, Dallas Steers, Ft. Worth Panthers, Houston Buffaloes, San Antonio Indians, Shreveport Sports, Waco Cubs and Wichita Falls Spudders.
1930: San Antonio Indians (San Antonio, Texas), Texas League
Cooper only played part of the season for San Antonio. They finished in seventh place with a record of 60-93. The Indians were managed that year by George Burns.
Cooper managed minor league teams in the Pennsylvania State Association for three years in the 1930s:
1935: McKeesport Braves
The Braves finished in fifth place, 23.5 games back of first place Monessen. Their record was 44-62. One of the Braves pitchers, Ken Heintzelman, did lead the league in strikeouts, with 147. Teams that year were: Butler Indians, Charleroi Tigers, Greensburg Red Wings, McKeesport Braves, Monessen Reds and the Washington Generals.
1936: Jeannette Little Pirates, a Class D affiliate of the Pittsburgh Pirates.
The Little Pirates finished first in the league in 1936 with a record of 65-44. A couple of players were league leaders. Alfred DeRenne led in runs, with 106. He went on to become Wilbur Cooper's son-in-law. Ken Heintzelman, who had pitched for Cooper the year before, led in wins (20) and strikeouts (229). Teams that year were: Butler Yankees, Charleroi Tigers, Greensburg Red Wings, Jeannette Little Pirates, McKeesport Tubers and the Monessen Indians.
1937: Greensburg Green Sox, a Class D affiliate of the Brooklyn Dodgers.
The Green Sox finished second, nine games back of Butler. Their record was 54-45. Pitcher Daniel Hawley was a bright spot, leading the league in wins (16), strikeouts (161) and ERA (2.72). Teams that year were: Beaver Falls Bees, Butler Yankees, Greensburg Green Sox, Jeannette Bisons, McKeesport Tubers and the Monessen Cardinals. Both the Jeannette Bisons and McKeesport Tubers disbanded on June 10 of 1937, leaving just four teams in the league.