[2] In their tenure of play, the Monroe White Sox hosted home games at Casino Park, which was constructed in 1931.
[5] The Clarksdale Planters, El Dorado Oilers, Greenville Bucks, Greenwood Dodgers, Hot Springs Bathers, Natchez Indians and Pine Bluff Judges joined Monroe in beginning league play on April 15, 1950.
The Sports ended the 1950 season with a record of 81–56, finishing 2.5 games behind the first place Pine Bluff Judges, as Al Mazur served as manager.
By choice Jim and Leander Tugerson instead played for the Knoxville Smokies of the Mountain States League to begin the season.
[17] In 1954, the Monroe Sports ended the Cotton States League regular season in fourth place and qualified for the playoffs.
Playing under returning manager Ed Hear, the Sports finished 7.5 games ahead of the second place El Dorado Oilers in the six–team league.
In the Cotton States League Finals Monroe won the championship by defeating the El Dorado Oilers 4 games to 3.
[23] The Sports joined the Alexandria Aces, Baton Rouge Rebels, Crowley Millers, Lafayette Oilers, Lake Charles Giants, New Iberia Cardinals and Thibodaux Senators in beginning league play on April 19, 1956.
[24] The Monroe Sports ended the 1956 Evangeline League season with a record of 54–68, placing seventh and did not qualify for the playoffs.
In 1956, the Chicago Cubs assigned two black players, to their affiliate, the Lafayette Oilers, but the team refused to accept them to their roster.
Boycotts ensued throughout the league and subsequently, Lafayette Parrish, home of the Baton Rouge Rebels, passed legislation making it illegal for black players to play in its ballparks.
[34] The Sports were also noted to have played some home games at the renamed American Legion Memorial Stadium, which was constructed in 1950.