There is a little confusion in The Irishman about Sally Bugs. I mean whose man was he? Hoffa was controlling everything from prison (during his prison-time) and Fritz was an acting President of Teamsters and during this time we see Sally Bugs strangling a guy in the car and putting his body in garbage cutter machine so it seems as if Sally Bugs was working for Hoffa but just before the assassination of Hoffa (when he,Chuckie and Frank were in car) he answered, when questioned who was he, I'm with Tony.
In the movie we never see Tony Pro with Sally Bugs and not even with Fritz.
Any personal thoughts are welcomed but they should have come from known references logically.