An NBA spokesman confirms that the league is investigating Jay-Z's presence in Kentucky's locker room after the Wildcats clinched a Final Four berth. The rapper visited the players after their victory over North Carolina on Sunday at the Prudential Center in Newark, N.J, home of the Nets. Jay-Z is a part-owner of the team and attended the Nets' 120-116 loss at New York on Wednesday. Read more: http://sports.espn.go.com/new-york/nba/news/story?id=6275663
