Khris Middleton gave Milwaukee a chance by hitting a 3-pointer at the buzzer, but the Bucks fell in overtime 113-107 Sunday in the first round of the N-B-A playoffs. The Celtics led 99-96 with a half-second remaining when Middleton connected from 35 feet out. Boston owned the overtime 14-8. Giannis Atetokounmpo fouled out after scoring 35 points, grabbing 13 rebounds and passing out seven assists. Middleton had 31. The Bucks were hurt by 20 turnovers. They had taken a 10-point lead in the second period at the end of a 26-4 run. The teams played the second game of the best-of-seven series Tuesday.