Paul Pierce let the 24-second clock run almost out before hitting a step-back 3-pointer from the left with 2.5 seconds left to put the icing on the Celtics' fourth straight win, a 106-104 outlasting of the Clippers. Pierce's shot -- the last of his 22 points -- made Jamal Crawford's trey at the end meaningless. The Celts squandered nearly all of a big lead before holding on in this one. The Clippers began going to the hoop even harder when Kevin Garnett went to the bench with his fifth foul two and a half minutes into the final period. They cut the Celtic lead to six on drives by Blake Griffin and Crawford. The 15-point lead after three was still at a reasonable 10 after a Brandon Bass dunk, but the C's missed their next five shots from the floor and turned the ball over twice as L.A. made it a four-point game with just less than five minutes remaining.