Jermaine O'Neal had to leave the game 6 win last night due to an injured knee.  The injury happened when Glen Davis slammed into O'Neal causing his knee to bend awkwardly.  The early indications are that it's a sprained knee but an MRI is scheduled for some time on Friday.

O'Neal is calling it a dirty play, looking at it, it's hard to tell.  It does appear as if Davis hesitates just for a moment before slamming into O'Neal, see for yourself.