Robert Williams III scores a career-high 20 points without missing a shot in Boston’s 118-102 win.

Dallas led by as many as 23 points in the third quarter before the Celtics rallied to within single digits in the fourth.

Boston plays in front of its home fans for the first time this season, but Zion Williamson spoils the party with 28 points.

Jayson Tatum and Jaylen Brown combine for 52 points, and Boston goes on a 19-0 run early in the fourth quarter to take control in a 111-94 victory.

Danny Ainge says he sensed discouragement among Celtics players prior to the acquisition of Evan Fournier from the Magic.

Boston makes 22 3-pointers and slows down Giannis Antetokounmpo for the second straight game, earning a 122-114 victory.

Boston gave up Jeff Teague and a pair of second-round draft picks for Fournier, and traded Theis and Javonte Green in exchange for Mo Wagner and Luke Kornet.

Boston erases most of a 25-point deficit, but Daniel Theis misses a potential winning shot at the buzzer as Milwaukee hangs on for a 121-119 win.

Jayson Tatum is a late scratch for Boston with an illness.

Jaylen Brown makes 10 of Boston’s 22 3-pointers and finishes with 34 points in a 112-96 victory.