WALTHAM, Mass. -- Boston Celtics point guard Isaiah Thomas believes he would have been able to get a better final look at the end of Game 6 with an extra second on the clock, but Boston players and coaches ultimately reasoned that there's little use lamenting what could have been. The NBA said in a Last Two Minute Report?on Saturday that the Celtics should have had an extra second on the clock before the final play in the Washington Wizards' 92-91 triumph on Friday. Thomas missed a rushed, off-balance 3-point heave before the final buzzer. "I could take another dribble. I could have got past [Markieff] Morris, probably. A little bit, got a little bit more separation," Thomas said after Boston's off-day practice on Sunday. "It is what it is. We can't worry about that. It just sucks that they came out with it and said we should have had another second." John Wall hit a go-ahead 3-pointer with 3.5 seconds to go, and with a foul to give, Washington's ...