Should gay people play football?
As long as the Gay People have the skill set and ability to perform at a high level there is absolutely no reason why a gay person should not play football.
So far, there have been a dozen gay players in College Football and the NFL who have come out of the closet after their playing careers are over and one active college player, Michael Sam, who is poised to be drafted into the NFL in 2014.
The people who have come out of the closet are:
Wade Davis NFL Defensive back
Ed Gallagher NCAA Division I Offensive tackle
Alan Gendreau NCAA Division I Placekicker (All-Time Leading Scorer in Sun-Belt Conference)
Kwame Harris NFL Offensive tackle
David Kopay NFL Running back
Ray McDonald NFL Running back
Conner Mertens NCAA Division III Placekicker
Michael Sam NCAA Division I Defensive end, (2013 First Team A SEC, 2013 Consensus All American, 2013 Co-SEC Defensive Player of the Year)
Roy Simmons NFL Guard 
Brian Sims NCAA Division II Defensive tackle
Jerry Smith* NFL Tight end (2X Pro-Bowler, named one of the 80 greatest Redskins, part of the Redskins Ring of Fame)
Esera Tuaolo NFL Defensive tackle
* - Outed as Gay after he passed away.
No. It is literally Impossible. If you are gay then you were gay from the start. If you are gay you cannot become straight. If you are straight you cannot become gay. You can do gay acts but you wont literally be gay. I am of the opinion that you are born one way or the other, many gay people try to become straight, when they should just go with the flow. It is nothing…
No, most people don't want to be gay. People who are gay are either happy, or not, with the way they are. People who are straight do not want to become gay. Anyway, it is not possible to seriously change from one to the other. Nobody can become gay, everyone is born knowing they are gay. Some people are too afraid to come out and accept that they're attracted to their gender, so those who…
Gay rights should not be banned. Gay rights are equal rights, and equality is good for society. Gay people should have the same rights and freedoms as everyone else. Some gay issues currently disputed are: Marriage/civil unions Legality/decency of gay intimacy adoption and fostering of children protection from discrimination and violence