The New Jersey Nets have been fined $50,000 for Nets minority owner Jay-Z's presence in the Kentucky locker room after the Wildcats clinched a Final Four berth. League spokesman Tim Frank confirmed the fine Friday before the Nets played the New York Knicks at the Prudential Center. NBA rules prohibit team personnel from having contact with players who are not yet draft eligible. Read more: http://sports.espn.go.com/new-york/nba/news/story?id=6309641