Kentucky center Ugonna Onyenso will not be taking his talents to the NBA. Instead, he’ll be withdrawing from the draft and exploring his transfer options ahead of his junior campaign as a college basketball player. The 7-foot, 247-pound big man originally entered the draft on April 15 with hopes of keeping his name in the field, saying he was “ready to go to the next level” and “100% focused on the NBA” going into the process. “I want the NBA to know that I am a big that can shoot the ball,” Onyenso told ESPN’s Jonathan Givony at the time. “I am not just a defensive player. It’s not only about…