Boston gears up with new pace and bold goals

Training camp tipped off with the Celtics flying like a NASCAR pit crew, as Joe Mazzulla stressed hard play and quick tempo. Jayson Tatum continues his Achilles recovery while new faces like Anfernee Simons and Chris Boucher bring fresh energy.

Xavier Tillman shed 12 pounds to boost his game — proof that sometimes the biggest preseason highlight is your bathroom scale working harder than the defense.