How good is Cobb?

[Harlan Huckleby]

Jennings at his best was better than Cobb right now. I think Jones is closer to Boykin than Cobb.

Boykin looked like Jones on some plays last year - strong, good body control, some big catches. But Jones had a season where he made big plays week after week.

Jones is over the hill now.

I'm confused by Cobb, I'm really unsure what kind of season he will turn in. He did look like Percy Harvin in flashes in the past. Haven't seen one of those flashes for a while.

What has Cobb done as a rusher?