Paul Pierce and Ray Allen each scored 22 points and the Boston Celtics rebounded from a lopsided loss and handed one to Portland on Friday, beating the Trail Blazers 104-86.
The win came after Boston lost by 32 points at Atlantic Division-leading Philadelphia on Wednesday, its worst setback in more than six years.
Kevin Garnett grabbed seven defensive rebounds to move into second place on the NBA's career list with defensive rebounds since the league started keeping the stat in 1973-74.
He has 10,122 and moved ahead of Robert Parish (10,117). Karl Malone holds the top spot with 11,406.
LaMarcus Aldridge led the Trail Blazers with 22 points. Portland has dropped five of six games and played the second of seven straight away from the Rose Garden.