The 2022 NFL Draft has a ton of depth along the offensive line. Even with that depth, the top of the class is also great. That includes Boston College’s uber-versatile prospect, Zion Johnson. Johnson was a zero-star recruit out of high school and committed to Division-I FCS Davidson. After 2018, he transferred to Boston College and has since succeeded mightily in the zone offense the Eagles run. He has started numerous games at left tackle and left guard, and that versatility continued as he played center at the Senior Bowl. Johnson came into the scouting combine with something to prove, as he…