The 2007-08 Celtics had less than 15 losses and improved their total number of wins by more than 43 .
Powered by the acquisitions of perennial All-Stars Kevin Garnett and Ray Allen in the offseason , the Celtics finished with a record of 66–16 and posted the best single-season turnaround in NBA history , improving by 42 wins from the previous season .
2007–08 Boston Celtics season