From the foundation of the American Association (AA) in 1902 through its final season in 1997, its pitchers threw 97 no-hitters, which include 6 perfect games.
[1] Due to these methods of reaching base, it is possible for a team to score runs without getting any hits.
The first perfect game was pitched on May 26, 1940, by Mickey Haefner of the Minneapolis Millers versus the Milwaukee Brewers at Nicollet Park in Minneapolis, Minnesota, in a game that was called after six innings due to a six o'clock Sunday amusement blue law.
The first nine-inning perfect game occurred on June 26, 1947, when Kansas City's Carl DeRose accomplished the feat against Minneapolis at Municipal Stadium in Kansas City, Missouri.
Charley Hall pitched three no-hit games for the St. Paul Saints (formerly the Apostles), giving him the record for the most career AA no-hitters.