MRI reveals calf strain for Buccaneers CB Richard Sherman

An MRI showed a Grade 2 calf strain for Tampa Bay Buccaneers cornerback Richard Sherman, who will miss at least a few weeks because of the injury, NFL Network reported Tuesday night.

Sherman sustained the injury while warming up for Sunday's game against the Washington Football Team. He was set to make his fourth start since joining the team in late September.

The 33-year-old Stanford product has appeared in 142 career