MLB September 5, 2023 1:50 pm MLB prospects who got the call up September 1 On September 1, MLB active rosters expanded from 26 to 28 players for the remainder of the regular season. Here are 10 prospects who got their call to the big leagues on September 1. 49ers videos 0:47 Timberwolves, Mavericks to meet in 2024 Western Conference Finals 3:12 Hicks shines as Giants beat Rockies 4-1, collect first sweep of season 1:02 Celtics, Pacers to meet in 2024 Eastern Conference Finals 2:19 Breaking down how 2024 schedule creates rest disadvantage for 49ers 2:01 San Francisco welcomes Bay Area's WNBA expansion team: the Golden State Valkyries