Duke Johnson receiving increased role in Browns' offense

BEREA — Undersized running back Duke Johnson has never backed down from a challenge.That mindset is serving him well in his third training camp with the Browns.Johnson, who has 114 receptions for 1,048 yards in two NFL seasons, is the top candidate to serve as Cleveland's slot receiver.Browns coach Hue Jackson believes the 5-foot-9 speedster can be a dual threat catching passes over the middle, as well as out of the backfield."If coach says, 'Go,' I go," Johnson said Monday following the t