His rebounding has been fine, though it could be better, he's on pace to bring it up along with his scoring. His last 5 games has been averaging 11 boards
Nets as a team are fine at rebounding.
He's also improved the Nets defense and has been carrying the Nets while JJ and Deron are playing like bums.
It can be argued Vaj is putting up those numbers on a team with 7 wins. In Vajs absence Tristian Thompson is averaging 12/12
Noah and Horford are playing well to but I don't see why Lopez doesn't at least deserve a mention