It's no secret that the Miami Dolphins need help at cornerback. The hole in Miami's secondary, however, shrank considerably when they signed Brent Grimes, but there is still plenty of room for improvement.
Grimes is recovering from an Achilles tear, and there's no guarantee that he'll return to full health. He's on a one-year deal, and if he doesn't pan out, the Dolphins need to have someone ready to step up in his place.
Richard Marshall and Dimitri Patterson are capable veterans, but Patterson is owed a contract worth a lot more than his play would dictate, and he is a candidate to get cut.
The Dolphins play a lot of zone coverage and need athletic playmakers who are intelligent and move well in space. That eliminates a physical corner like Xavier Rhodes, who is a talented ballhawk but does not fit well enough into Miami's scheme to warrant taking with their first-round pick.
But these players are all good fits for Miami and would get selected after the 12th overall pick, where the Dolphins currently sit in the first round. Here are seven cornerbacks that Miami should target in next weekend's draft.