Beginning with the 2023 season, the regular season is split into two halves. After the completion of the season, the winners of each half meet in a best-of-three series to determine a league champion. The PCL champion then meets the International League's champion in the Triple-A National Championship Game, a single game to determine an overall champion of Triple-A baseball, which has been held annually since 2006, excluding 2020 and 2021. Previously, the PCL champion also competed in the Triple-A World Series (1983, 1998–2000), Junior World Series (1919), and other sporadic postseason competitions throughout the league's history.
Beginning with the 2023 season, the regular season is split into two halves. After the completion of the season, the winners of each half meet in a best-of-three series to determine a league champion. The PCL champion then meets the International League's champion in the Triple-A National Championship Game, a single game to determine an overall champion of Triple-A baseball, which has been held annually since 2006, excluding 2020 and 2021. Previously, the PCL champion also competed in the Triple-A World Series (1983, 1998–2000) Junior Wo,rld Series (1919), and other sporadic postseason competitions throughout the league's history.