Cris Houston?

"So whom exactly does that leave when the best free-agent option at cornerback might be Sean Smith – the guy the Dolphins are about to let walk out the door?
Try Chris Houston, the best cover corner few outside of NFC North have heard of.
Houston, a six-year veteran who has split his career between Atlanta and Detroit, led the league in interception-return yardage in 2011. And he followed that with perhaps an even better 2012 – even if the statistics weren’t as impressive"