Bring Chris Bosh off the bench. Start Udonis Haslem. Phrase it however you like, just as long as the team's grittiest rebounder and toughest post defender is on the court at tipoff.
He's a Hall of Famer. But he's also old and obstructive, and he's burned a lot of his NBA bridges. Shaq's free agency isn't as appealing as his ego makes him think it is.