Michael Rapaport has a message for Jeanie Buss -- "Stop running the Lakers like it's a mom and pop donut shop!"
Rap was leaving The Improv in Hollywood on Thursday when he went off about what's WRONG with the Lake Show ... and it's clear, he thinks the problem starts at the top.
"Here's the point about the Lakers," Rapaport said ... "Jeanie Buss, everybody loves you. I love you. I've met you, you've been nothing but nice to me. Stop running the Lakers like it's a mom and pop donut shop.