Which Philadelphia Phillies players should not be on their playoff roster in October? There are some Phillies players who should not make the 2025 postseason roster. 3 Phillies who should not be on the postseason roster in OctoberGarrett StubbsThe Phillies decided to promote backup catcher Garrett Stubbs at the start of September when rosters expanded. What puts Walker getting a spot on the postseason roster in jeopardy is the addition of pitcher Walker Buehler. The team would be better off with Trivino, Mayza or Lazar on their postseason roster in place of a healthy Romano.