The Boston Celtics didn’t play four of their usual starters, essentially setting aside their bid for a better playoff seed for the chance to give their top players some rest, and the result was a 95-94 overtime loss to the Washington Wizards on Monday night that handed the Miami Heat the No. 2 spot in the Eastern Conference. With Kevin Garnett, Ray Allen, Paul Pierce and Rajon Rondo watching from the bench, Celtics coach Doc Rivers made it clear that a fresh…