Andrew Luck's ongoing absence from Indianapolis Colts training camp is related to a bone issue in his lower left leg, according to team owner Jim Irsay.
Irsay told SiriusXM NFL Radio on Monday that Luck's injury is similar to that of former Colts defensive end Raheem Brock.
"I know everyone's had their questions about Andrew and that sort of thing, but I really feel very confident that he's going to find his way through this thing," Irsay said. "I think after the (Kevin) Durant things (that) everyone's erring on the side of caution, but quite frankly this is not even in the Achilles tendon.