POLL: Which undrafted cornerback has the best chance at making the Ravens' roster?

With Corey Graham leaving for Buffalo during free agency, a need for a third cornerback has opened up.

The early favorite is Chykie Brown, who has gained experience on the field in game situations, mostly in 2012 when Lardarus Webb sustained an ACL tear.

Asa Jackson should also factor into the mix as a potential third corner on defense.

But with the Ravens deciding not to take a cornerback during this year's NFL draft, they signed four UDFAs to the offseason roster.

The top corner signed was Middle Tennessee State's Sammy Seamster, a 6-1 corner with ideal size and speed at the next level. Oregon's Avery Patterson, North Carolina A&T's Deji Olatoy (via Colorado) and Texas A&M's Tramain Jacobs were the other corners brought on.

Here are some clips of the four corners:

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