Getty Luther Burden III will be on the practice field when the Chicago Bears open training camp on Saturday With rookies and quarterbacks set to arrive at Chicago Bears training camp on Saturday July 19, it was looking for much of the week like 2nd Round pick Luther Burden III would potentially be holding out in hopes of securing a fully-guaranteed deal. On Friday morning, as fellow 2nd Round picks Ozzy Trapilo and Shemar Turner signed their deals, Burden still hadn’t signed on the dotted line.