With Sack in prison, it's a prime opportunity for Phil to make a move. Also, given Tony's "I'm glad to be alive" attitude, I can see some of his crew getting real antsy about how well he'll be able to keep on protecting and managing them. So, maybe some of them are thinking that Tony may have to go.

"Generosity. That was my first mistake."
"Experience must be our only guide; reason may mislead us."
"Instagram is Twitter for people who can't read."