Chatting with Justin Timberlake while her alleged man was at the Michael Jordan Golf Tournament at the Atlantis in the Bahamas may have caused Jessica Biel her relationship with Derek Jeter.

According to New York Post sources, D.J spent last Saturday night getting cozy with actress Gabrielle Union. The Yankees’ scoring leader was “flirting madly” with Gaby while they both were partying in the Bahamas.

DJ Cassidy played “Put It in Your Mouth” by Akinyle, and the pair dirty-danced before leaving together. G.U’s camp says: “They are friends, but they did not hook up.”