 The contract is only guaranteed for the first two seasons and includes an option for the Dolphins to opt-out of the contract in 2016 or 2017.Defensive coordinator Kevin Coyle retained Grimes as a starting cornerback, alongside Cortland Finnegan.Grimes and Finnegan drew comparisons for their small school pedigree as both entered the league in 2006, stood at 5'10", and became Pro Bowl cornerbacks.