Mike Vrabel lingered on the practice field, trading blows with defensive line coach Tim Krumrie like Rock'em Sock'em robots, pausing every few seconds to get instruction before wailing away again. Most of his younger teammates had already headed to the locker room and peeled off their pads, yet there was Vrabel, legs weary, sweat pouring off his chin, a 13-year veteran still trying to get...

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