Necrotizing fasciitis is a nasty thing. Alex Smith was arguably the most prominent case in recent times. You can google images of his leg before and after the tissue removal, but I don’t recommend doing so while eating. Obviously his mobility will be strongly impacted so who knows when he’ll step on the mat next. The road to recovery from those surgeries will be long and filled with grueling physical therapy sessions and more redevelopment of muscle after he’s discharged from PT. Nevertheless, all the best to him on his road to recovery