Hardesty on the roster bubble?

As the Cleveland Browns transition to the Rob Chudzinski administration, one position that's under some scrutiny is running back. Sure, they've got their No. 1 back in Trent Richardson, but there are questions as to who will be backing him up, both as a complementary player as well as his potential injury replacement. The talk continues this week, with the start of training camp looming on July 24.