MRI coming on Mike Pouncey’s knee

The aftermath of Saturday night’s preseason game in Miami includes another injury to one of the Pouncey twins. Steelers center Maurkice Pouncey broke an ankle last week against the Packers; Dolphins center Mike Pouncey emerged from a contest against the Falcons with his left knee in a brace. Via Armando Salguero of the Miami Herald,…