Brent Grimes off to sharp start at Dolphins’ training camp

Dolphins cornerback Brent Grimes, who missed almost all of 2012 with an Achilles tendon injury, caught the eye with his play during the first day of training camp practices, Armando Salguero of the Miami Herald reported Sunday. Grimes, Salguero observed, “looked great in practice” on Sunday. Moreover, Grimes didn’t even have the injured area of…