Lost in the 4th

Michael Redd scored 33 points on 11-of-20 shooting and also pulled down seven rebounds to lead the Milwaukee Bucks to a 102-94 overtime win over the Portland Trail Blazers.
After resting during the 2nd quarter of the game, Redd came back to score 19 points in the 4th quarter. The Trail Blazers apparently felt that they had the win in the bag and eased up on the Bucks during the 4^th quarter.
Aren’t these guys supposed to be pros? Don’t they know that you haven’t won until the last buzzer sounds?