During an unofficial visit to the school, Hammond, of OKC Sky Homeschool, gave Lon Kruger a verbal pledge.
"I really liked the campus a lot," Hammond told Scout.com. "I've taken a few unofficial visits up there. I connect real well with the coaches and the players and all that. I like the Big 12 a lot."
"I went up there looking to commit," Hammond said just a few minutes after giving Oklahoma the nod.
"It's got to be the coaches, besides the coaches it'd probably be because it's close to home and I live an hour and a half or two years away," he added when pressed on his decision.
Hammond is a 6-foot-9, 230-pound 2014 prospect.