I had it. I tried a number of things to fix it, including cortisone shots directly into my heel (hurt like hell). What finally fixed it for me was a pair of custom made orthotic inserts, It was gone in less than two weeks.
I think he gets another...unless they grab another top CB in FA or draft. But only because I think two years removed from an ACL would get him back to where he needs to be. All these nagging injuries seem to be byproducts from the original injury.