An offseason league owned and operated by Major League Baseball, the Arizona Fall League begins on October 6 and runs through November 15. Rosters are filled by minor league players assigned to the league by their parent clubs. In some cases, players are sent to the Arizona Fall League to accrue more at-bats or pitch more innings because injury or other issues prevented them from playing more during the regular season. In other cases, it gives players who are being considered for spots on the 40-man roster additional time to showcase their abilities in front of the evaluators and executives who will be making those decisions. In other cases still, it gives players the ability to highlight their abilities against the upper echelon of minor league prospects and make a case to demonstrate tha
Mets 2025 Arizona Fall League preview

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