I saw that he was still on the board a couple of rounds ago, but there just seemed to be better fitting pieces for my squad.
I'd argue with you RB on usage at this point, simply because I'd take the 18+ PTS and 9+ boards any day.
But I went back and plugged him into BBM using standard 9-cat settings - he ranks 102, which puts him smack in the middle of Round 9 value. Of course, this is using last year's stats - and I agree with you 100%, that a healthy Griffin in the mix will eat into those numbers something huge. So Kamen going here in the 10th doesn't seem far fetched at all.
In fact, now that I look at it, I'm kinda glad I passed on him the last few rounds - at least for my squad.