Wes Welker's safety precaution brings out the thick-headed jokesters - Article Photos 1/3

Denver Broncos wide receiver Wes Welker stands on the sidelines against the San Diego Chargers in the third quarter of an NFL AFC division playoff football game, Sunday, Jan. 12, 2014, in Denver. Welker was wearing a larger than usual helmet after suffering two concussions in December. (AP Photo/Jack Dempsey) Jack Dempsey - ASSOCIATED PRESS