Early-impact players, Rounds 4-7

Mike Shanahan's move signals one option, and defense has some possibilities

Originally Published: May 4, 2011
By Mel Kiper Jr. | ESPN Insider
Roy Helu & Chimdi ChekwaUS PresswireMike Shanahan traded up for Nebraska's Helu, and Al Davis will like Chekwa's athleticism and experience.

Mel Kiper Jr.

Football analyst