The 6-foot-11, 230-pound Manderson is rated a three-star recruit by Rivals and 247Sports. 247Sports ranked him the 16th-best center prospect in the country.
Masterson, who played at Oldsmar Christian School in Oldsmar, Fla., also had offers from Temple, Cleveland State, Florida State and George Mason. He had originally been committed to Oregon State before head coach Craig Robinson was fired in May.
- Alex Hampl