Of course it is. I'm not for one minute saying that there aren't any but statistically it is entirely possible that there aren't.
It's statistically very unlikely, but you can't say that it isn't possible. (The entire reason I'm doing my maths degree is to allow me to be this pedantic on a football forum).
afew years ago i was out with the wife in Birmingham and her ex work mate, who happened to be gay, he said it was well known about one of the then current Birmingham squad having flings with gay men in the area. doesn't bother me like, each to their own i say