There are some god awful idiotic comments here, unsurprisingly. To blanket all of them, nobody should have any say over how someone lives their lives if it isn't detrimental to anyone. Nobody should base their life on a fairy tale book. People should understand why it's a big deal he came out, because it's not accepted by a very poorly educated portion of the population and for that reason he's expected to live a lie. A straight athlete doesn't have to say it because there's no stigma that comes with it. Tweeting your girlfriend on twitter isn't going to get people's pitchforks out, tweeting your boyfriend is. It's embarrassing that some people still feel they should have any say over how a person lives their life, good for Sam. I don't care what his sexual preference is, everyone's entitled to live their life the way they choose and that's a fact, he's not hurting anyone and hopefully this inspires other gay athletes to open up and not be forced to live in darkness throughout their professional careers.
Let me also add, everyone's entitled to religion or spirituality, that's fine. There's good values in there, and if you need it to live a good accepting life more power to you. But don't use it to put down other people just because you don't agree with them.