Doesn't sound good for Monty. The worst ankle sprain I ever had was grade 3 and it was my lower ankle. I was still in decent shape and a decent athlete and it took a full 3 months to recover to the point where I could run and do some light cutting, base running was a struggle after a month. I could usually tough out ankle injuries without assistance, but I remember hopping into a wheelchair at the grocery store. I went to physical therapy for 3 weeks, so it wasn't like I just ignored it either.