Home Sports Radio WFNZ Sports Carolina Panthers Dr. David Chao Discusses Cam Newton's Lisfranc Injury Dr. David Chao Discusses Cam Newton's Lisfranc Injury Photo credit Bob DeChiara By Wilson & Parcell , Sports Radio WFNZ How long will it take for Cam Newton's foot to be healthy. Former NFL Doctor discusses Cam's Lisfranc injury. Carolina Panthers Panthers Local Sports Local Dr. David Chao Cam Newton NFL Nick Wilson Josh Parcell