Looking at this through the
worst case scenario lense and if its a grade 2-3 high ankle sprain, there is procedure called the "TightRope" that elite football players can make it back in around 4-5 weeks.
Both Tua and Brock Bowers (as well as Cooper Kupp in the NFL) had this procedure and returned for their team's late-season push:
Only 26 days after having ankle surgery, Georgia TE Brock Bowers returned and had four catches for 34 yards, including an 8-yard TD catch, in the win over Ole Miss.
www.espn.com