about the league
Location: Arizona spring-training complexes in greater Phoenix (Glendale, Surprise, Scottsdale, Mesa).
Season: 32 games in October and November, plus an all-star and championship game.
Participants: 210 players, seven from each major league organization and mostly prospects from Class AAA and AA, divided into six teams.
Notable alumni: Dozens, including Derek Jeter, Todd Helton, Mike Piazza, Roy Halladay, Torii Hunter, Ryan Howard and Dustin Pedroia.
Limits: Pitch and innings limits are enforced for pitchers, who can work only twice per week. Games are declared ties after 11 innings.
Testing: This year, a handful of games have been used to test the expanded replay system that will be implemented in the major leagues next season.