The team has found no structural problems, but wants O’Neal to be more comfortable.
“He’s looking for some answers because he doesn’t feel right,” said Ainge. “There’s no tear as far as we know. There’s no torn anything. It looks like he’s just got some wear and tear on his knees, but we always welcome players to get second opinions.
“Jermaine’s just been up and down. He’s had some good days and some not so good days. I think he’s looking for answers, and getting him mentally and physically healthy is a big thing for us.
“It’s concerning. We need Jermaine healthy.”