By Gary Dzen, Boston.com Staff

The Miami Heat are hoping to activate forward Chris Bosh for Game 5 Tuesday so long as Bosh doesn't suffer a setback, league sources tell ESPN.com's Brian Windhorst. Bosh has missed Miami's last nine games with an abdominal injury.

The Celtics tied the Eastern Conference Finals, 2-2 on Sunday, possibly expediting the Heat's need to get one of their best players back into game action.