That was cancer in his toe, not an infection.
Yeah, that was a joke. Perhaps not a good one, but a joke anyway. At first they diagnosed it as a foot infection and not cancer. Only later did they discover it was cancer and then Bob decided to let Jah handle it........... didn't actually work out very well.
Smitty: Most likely just something that he let go-- as somebody mentioned-- the tough football player mentality would keep him from complaining about a foot infection.