A-Rod, Cameron Diaz Hook Up Can you just imagine the Diaz-Rodriguez babies? By Evann Gastaldo, Newser Staff Posted Apr 14, 2010 10:00 AM CDT 5 comments Comments Tom Cruise, Katie Holmes, Alex Rodriguez, and Cameron Diaz attend the Super Bowl Party hosted by Creative Artists Agency at the W Hotel: South Beach on February 6, 2010 in Miami Beach, Florida. (Getty Images) (Newser) – For those paying attention to the high-profile blondes Alex Rodriguez somehow seems to keep racking up, here's a new one for the list: Cameron Diaz. The two have been secretly dating since dancing and getting flirty at a CAA Super Bowl party. “A-Rod's with Cameron. They've been keeping it quiet, but they're totally together,” a source tells Life & Style. But don’t get too excited about any potential blue-eyed bundles of joy: A New York Post source calls the relationship casual.