I did not rewatch the game but from what I saw, the bench was why we lost and it shows in the +/- stat. That entire stretch in the 2nd quarter where we gave up Oreb after oreb is what cost us. After all, didn't we only give up like 4 or 5 offensive boards the entire 2nd half? Maybe 1 in the 4th?
That means we got killed for 15 in the 1st half. Rebounding is a team effort but I'd say the bigs shoulder the lions share of responsibility there. If memory serves right, KO (and Al) got totally outworked. Plus, KO and Brown had some poor rotations as well. KO (along with a few others) were in the middle of that run when we were just giving the game away. The people involved (like Smart) eventually redeemed themselves by drawing charges, making plays or hitting timely shots. KO didn't really do anything particularly impactful despite the box score. I mean, even IT was grabbing a couple of rebounds in traffic!