Celtics add Tillman, Springer; Which rival should C's be most worried about?

Chris Forsberg, Brian Scalabrine and Tom Giles discuss the Celtics' moves at the trade deadline. What will Xavier Tillman and Jaden Springer bring to Boston? Plus, which team should the Celtics be most worried about? 1:00 - Breaking down Celtics' moves at the trade deadline 11:30 - Did the Celtics do enough? 20:00 - Which team is the biggest threat to Boston after the trade deadline?