Broncos wide receiver Wes Welker, who missed three games last season after sustaining two concussions, has been diagnosed with another one. Broncos coach John Fox said Welker suffered a concussion during the team's 18-17 loss Saturday night to the Texans. Welker left the game following a hit to the helmet from Houston safety D.J. Swearinger. "It was determined it was a concussion," Fox said. "He'll go through the protocol. The biggest thing on him is, of course, player safety. He'll go through the protocol." Read more http://espn.go.com/nfl/story/_/id/1...oncos-leaves-preseason-game-taking-hit-helmet
