The Carolina League is a Minor League Baseball circuit that operates in the southeastern United States. Established in 1945, it features teams primarily affiliated with Major League Baseball clubs. The league is classified as a Class A-Advanced level, which means it serves as a developmental stage for players aiming to reach the major leagues. Teams in the Carolina League compete in a 140-game regular season, typically running from April to September. The league is known for its competitive play and has produced many notable players who have gone on to have successful careers in the Major League Baseball.