The Pacers advance to the IST Semifinals as they defeat the Celtics, 122-112. Tyrese Haliburton recorded his first career triple-double with 26 points, 10 rebounds and 13 assists for the Pacers, while Myles Turner added 17 points and 10 rebounds in the victory. Jayson Tatum (32 points, 12 rebounds, six assists) and Jaylen Brown (30 points, nine rebounds) combined for 62 points for the Celtics in the losing effort. The Pacers improve to 11-8 on the season, while the Celtics fall to 15-5. The Pacers will play in the IST Semifinals game in Las Vegas on Thursday, December 7th at 5:00 p.m. ET.