The 6-foot-11, 230-pound Walker was a McDonald's All-American and the 12th-rated prospect in the country in the Class of 2013. He didn't qualify academically to enroll in the fall and recently finished three online courses.
Sources told ESPN.com that Walker -- who was officially admitted to the school Saturday -- will undergo a physical examination, and enroll in classes for the spring semester. He's eligible to practice Saturday with the Gators.
It's still unclear when Walker would be able to make his college debut, although coach Billy Donovan told reporters that it won't come Tuesday against Memphis -- even if he is cleared in time by the NCAA. Sources told ESPN that the Gators are expecting Walker to serve a brief suspension due to the fact that an unofficial visit to another school was paid for by his former summer league coach.
Walker would be a significant addition to a Florida team that has battled injuries and suspensions early in the season -- and dropped road contests to Wisconsin and UConn. The Gators recently got both Scottie Wilbekin and freshman Kasey Hill back in the fold, and defeated Kansas in convincing fashion this past week in Gainesville.
Donovan already possesses plenty of depth, but he doesn't have an athletic big man who can run the court and block shots like Walker.
"They're loaded," Walker told ESPN.com back in late August. "Whatever role Coach Donovan wants to use me, I'm good with it. I just want to get there and play college basketball."