He fills a key need as the Colts make the transition from a 4-3 defense to a 3-4. New defensive coordinator Greg Manusky wants bigger bodies and more depth, and Chapman certainly fills the hole at 6-foot-1, 316 pounds.
He helped anchor Alabama's defensive line last season despite playing with a torn ACL that downgraded his draft stock. Chapman went from a potential second-round pick all the way down to No. 136 overall.
Indy has five more draft picks Saturday.