Al Horford had 24 points and 12 rebounds and the Boston Celtics overcame Khris Middleton's long 3 that beat the fourth-quarter buzzer, topping the Milwaukee Bucks 113-107 in overtime Sunday to open their playoff matchup.
The Celtics led 99-96 with 0.5 seconds left in regulation when Middleton took an inbounds pass on the far right wing and hit a contested 35-footer to force OT.
Terry Rozier added 23 points, four rebounds and three assists for Boston in his first career playoff start. Jaylen Brown finished with 20 points. Rookie Jayson Tatum added 19 points and 10 rebounds.
Giannis Antetokounmpo led the Bucks with 35 points, 13 rebounds and seven assists before fouling out in overtime. Middleton had 31 points, eight rebounds and six assists. Malcolm Brogdon scored all 16 of his points after halftime for Milwaukee.
Game 2 in the best-of-seven series is Tuesday night in Boston.
at Houston 104, Minnesota 101: James Harden scored 44 points and powered a big fourth-quarter run that allowed Houston to outlast Minnesota in Game 1 of the first-round playoff series.
Minnesota scored four straight points to get within 3 with about 30 seconds left. Chris Paul added two free throws after that for Houston, but a tip-in by Karl-Anthony Towns got Minnesota back within 3. After a bad pass by Paul gave Minnesota a chance to tie with 1.5 seconds left, Jimmy Butler's shot was short.
The top-seeded Rockets had their hands full with the No. 8 Timberwolves on a night where Houston made just 10 of 37 3-pointers. Harden made 7 of 12 3-pointers, but Trevor Ariza, P.J. Tucker, Eric Gordon and Paul combined to make just 3 of their 22 tries.
Houston kept All-Star big man Towns in check, limiting him to just eight points. Andrew Wiggins scored 18 points to lead Minnesota.
Game 2 is Wednesday night in Houston.
Indiana 98, at Cleveland 80: Victor Oladipo scored 32 points and the Indiana Pacers held off Cleveland's second-half rally for a stunning 98-80 victory Sunday in Game 1 of the Eastern Conference series, handing LeBron James and the Cavaliers' their first loss in the opening round in eight years.
Indiana was in control from the outset, opening a 21-point lead in the first quarter and leading by 23 in the third. The Cavs stormed back and got within seven, but Oladipo hit a big 3-pointer and Bojan Bogdanovic helped put Cleveland away with a 3 to make it 88-71.
The Pacers completely outplayed the three-time defending conference champions, whose turbulent regular season has carried over into the playoffs.
Game 2 is Wednesday night.
Utah at Oklahoma City: Paul George scored 36 points to help the Oklahoma City Thunder defeat the Utah Jazz 116-108 in Game 1 of their Western Conference playoff series on Sunday night.
George set an Oklahoma City playoff record with eight 3-pointers, blowing past the previous record of five. He made eight of 11 shots from long range, and 13 of 20 shots overall. It was his first playoff game with the Thunder since being acquired in a trade with the Indiana Pacers in the offseason.
Russell Westbrook had 29 points, 13 rebounds and eight assists and Carmelo Anthony added 15 points for the Thunder, who will host Game 2 on Wednesday.
Jazz rookie Donovan Mitchell had 27 points and 10 rebounds, but he left in the second half with left foot soreness. He returned in the fourth quarter but was noticeably hobbling.
Rudy Gobert scored 14 points, and Joe Ingles and Jae Crowder each added 13 for the Jazz.
The Thunder recovered from a 16-4 deficit to tie it at 25 at the end of the first quarter. Oklahoma City led 54-48 at halftime behind 20 points from George and 14 from Westbrook.
George hit his seventh 3-pointer to push Oklahoma City's lead to 79-66. George hit a deep 2-pointer to close the quarter and give the Thunder an 81-72 lead.