CHICAGO — Xavier Tillman and Jaden Springer learned a Celtics mantra beyond all the film, terminology and shootarounds they absorbed in their first few weeks with Boston. Both arrived in Chicago to make their debut with the team after the All-Star break with no expectations, but both expressed a mindset that Dalano Banton and Lamar Stevens did before them.
“My role here, as far as what I can do, is definitely bringing energy,” Tillman told CLNS Media/CelticsBlog at shootaround. “Crashing the glass, defending at a high level and getting those guys open with screens.