Wasn't there a Rugby Union international who refused to play on Sundays. due to his Christianity?
Peter Norman was reprimanded by Australian Olympic authorities and ostracised by the media after supporting the black power support at the Olympics. Tommi Smith and John Carlos were similarly treated.
Muhammad Ali refused to go to Vietnam
History is full of sportsmen taking a moral stand in issues they believe in. Personally I love a beer (not VB) and don't have an issue with it but lots of people, not just Muslims, are against alcohol advertising in sport.