 Beginning in 2019, the AFL season will run from mid-September to the end of October to allow players to avoid downtime after the conclusion of the MiLB campaign and pitchers more continuous rest in preparation for the following year's playing schedule.Additionally on September 5, 2019, both MLB and the Major League Baseball Players Association (MLBPA) approved a rule change that allowed players on the 40-man roster to report to the AFL in October.The Arizona Fall League teams are each affiliated with five separate Major League teams; each affiliated Major League team provides seven players who team up to fill the 35-man roster of each team.