Grimes has a simple pitch for free agents considering the Dolphins

It wasn’t hard for Dolphins cornerback Brent Grimes to choose to stay in Miami.  (Then again, they gave him a four-year, $32 million with $16 million that is, per a league source, fully and completely guaranteed.) At a time when the Dolphins are deemed to be dysfunctional and undesirable, Grimes has a simple pitch for…