Chicago Bears rookie receiver Luther Burden has learned quickly that head coach Ben Johnson has a high standard.

LAKE FOREST, Ill. -- After spending more than two months sidelined with a hamstring injury that he sustained during OTAs, Chicago Bears rookie wide receiver Luther Burden III wasn't looking to ease his way into practice once he was cleared for training camp on July 28.

LAKE FOREST, Ill. — In the span of a week, it went from worries about Chicago Bears wide receiver Luther Burden III’s injury to seeing him thrown out of a drill for being in the wrong spot to his No. 87 being written over and over in every notebook at Halas Hall.