months of returning from his mission. Strength may take a few more months, but will easily exceed HS strength pretty quickly
It’s laughable to claim they “go to pot” and can’t exceed where they were very quickly. We see this ALL THE TIME at BYU.
Those with a whole redshirt year will have no problem reaching their peak physical fitness and strength, which with the help of college trainers, is miles ahead of their conditioning in high school.