My sister is a high end travel agent for an agency in Dallas that does travel for wealthy people.
She has told us for years that Aikman is gay and that his marriage was a complete cover up and that it is one of the worst kept secrets in the business.
My BIL is a huge Cowboys homer and believes her. Really, she couldn't care less and would have no reason to make it up so I believe her.
On a related note, I was home sick today and was watching Outside the Lines and they were talking about some lesbian college coach that had come out to her team and was fired. They had a couple of gay former players that they interviewed after that segment who insisted that within the next 3-5 years, a gay person will come out of the closet that is an active player in a professional league. It will be pretty interesting to see the reaction of teammates and fans when that happens.
I'm a huge Spurs fan and most everybody thinks Richard Jefferson is gay. I guess it wouldn't matter to me if he came out, but it would have to be a little weird for his teammates, although I'm sure most of them assume the same.