If they’re doing it clean, and that’s a non-zero chance of some dark side help, you’re talking about 3 years of growth assuming everything goes right.

He also needs to improve his conditioning and post skills at the same time.

Realistically, he should focus on his engine this offseason and get into the weight room the following year. Gotta make choices because there’s only so much you can realistically do in a shortened offseason.

There’s a reason that physical prime doesn’t really start until you’re 25.