[4] The Texas League suspended operations during World War II from 1943 to 1945.
[6][7] Eleven players from the San Antonio Missions have been selected for the Pitcher of the Year Award, more than any other team in the league, followed by the Arkansas Travelers (8); the Dallas Rangers (7); the Shreveport Captains (6); the Tulsa Drillers (5); the Corpus Christi Hooks, El Paso Diablos, and Jackson Mets (4); the Albuquerque Dodgers and Frisco RoughRiders (3); the Amarillo Giants, Austin Braves, Round Rock Express, Springfield Cardinals, and Tulsa Oilers (2); and the Alexandria Aces, Beaumont Exporters, Dallas–Fort Worth Spurs, Fort Worth Cats, Galveston Buccaneers, Houston Buffaloes, Midland RockHounds, Shreveport Sports, Victoria Rosebuds, and Wichita Wranglers (1).
Ten players from the San Francisco Giants Major League Baseball (MLB) organization have won the award, more than any other, followed by the Los Angeles Dodgers organization (9); the Houston Astros and St. Louis Cardinals organizations (8); the New York Mets, San Diego Padres, and Texas Rangers organizations (4); the Baltimore Orioles, Colorado Rockies, Los Angeles Angels, Milwaukee Brewers, and Seattle Mariners organizations (3); the Atlanta Braves and Cleveland Guardians organizations (2); and the Chicago Cubs, Cincinnati Reds, Detroit Tigers, and Oakland Athletics organizations (1).
Five award winners played for teams that were not affiliated with any MLB organization.
Active Texas League–Major League Baseball affiliations appear in bold.