The competition is falling apart around the Celtics right now. The Milwaukee Bucks can't guard anyone and the Philadelphia 76ers are a mess dealing with controversy after a confrontation between Joel Embiid and a reporter. Who is left to challenge the Celtics? John Karalis of Boston Sports Journal gets into that in today's mailbag episode. The show also focuses on how the team learned to build trust, what is happening with Xavier Tillman, and Payton Pritchard's future with the team. Also, a radical idea to fix the All-Star game and John's potential coaching future.