According to BettyConfidential.com, New York Yankees player Alex - who has been dating Cameron since meeting her at a Super Bowl party hosted by Tom Cruise and Katie Holmes in February - wants to keeps things casual and doesn’t want the `Shrek` star getting too full. A source said: "He doesn`t want what happened to him and Kate to happen between him and Cameron. Kate was at every New York game and then some and even went to Alex`s game practice. Things got too clingy, too fast." The 34-year-old sportsman - who separated from Kate last December - has been deliberately keeping his relationship with 37-year-old Cameron low-key, and they are happy taking things slowly. A source said: "Cameron is not really into baseball, so she wouldn`t want to go to all the games. She`s private, too. She has her own career going and she`s not going to give that up for anyone. And, right now she`s booked solid, so it works for the two of them." The blonde beauty - who has previously dated Justin Timberlake - is currently working on new movie `Bad Teacher` in Los Angeles, and is getting ready to start promoting upcoming summer film `Knight and Day`, in which she stars with Tom Cruise.