Buccaneers' Martin OK after knee to head

[ESPN]

Tampa Bay Buccaneers running back Doug Martin told the Tampa Times he didn't suffer a concussion after taking a shot to the head in Friday's preseason game against the New England Patriots.

http://espn.go.com/nfl/trainingcamp13/story/_/id/9576591/doug-martin-tampa-bay-buccaneers-ok-taking-knee-head