Diaz, 39, is best known for her films "Bad Teacher," "Charlie's Angels," "Gangs of New York," "Vanilla Sky," "There's Something About Mary," "My Best Friend's Wedding" and "The Mask." She previously dated pop star Justin Timberlake and actor Matt Dillon.
"They broke up recently," a source close to Rodriguez told the celebrity news Web site.
"She's very busy with her career," the insider said. "And he's had injuries and wants to focus on his game. They're dedicated professionals. They're still very friendly and like each other."