WALTHAM, Mass. -- Shaquille O'Neal's calf injury has shown "some improvement," according to
Boston Celtics coach Doc Rivers, and the big man hasn't been ruled out for Sunday's Game 4 against the Knicks.
O'Neal has played only 5½ minutes since Feb. 1 with Achilles and calf injuries.
The team tried last Saturday before Game 1 to get O'Neal on the floor to simulate a pregame warm-up and he couldn't get through the opening running portion without experiencing soreness. ...