They all get paid for 82, play 82 unless medically restricted. Reducing minutes to give others more game time to get sharp for the second season makes sense and would be wise(hi, Zeller), but there is no need to rest. Havlacek didn't rest. McHale or Bird either. Paul played tons of minutes.
It's not like he's up in years or has tons of miles.
Nah, his kid's a gamer. He won't sit. He has something to prove, and it isn't how nice he looks in a suit.