High-A, officially Class High-A, formerly known as Class A-Advanced, and sometimes abbreviated "A+" in writing, is the third-highest level of play in Minor League Baseball in the United States and Canada, below Triple-A and Double-A, and above Single-A. There are 30 teams classified at the High-A level, one for each team in Major League Baseball (MLB), organized into three leagues: the Midwest League, Northwest League, and South Atlantic League.
A High-A game featuring the San Jose Giants, the High-A affiliate of the San Francisco Giants, in 1994
Double-A is the second-highest level of play in Minor League Baseball in the United States since 1946, below only Triple-A. There are currently 30 teams classified at the Double-A level, one for each team in Major League Baseball, organized into three leagues: the Eastern League, the Southern League, and the Texas League.
Jigger Statz, pictured in 1922, played in over 2700 Minor League Baseball games, all at the Double-A level in the Pacific Coast League between 1920 and 1942
In August 1985, after playing for several Double-A level teams, Jeff Hearron was signed by the Toronto Blue Jays of Major League Baseball