Dont bother about him, most of his replies involve calling people idiots...its how he gets his usual fix of; 'I am way more intelligent than you!'.
Less about that killjoy, you question is broad really...I have a favourite watching sport and a favourite playing sport. Love watching motorsports, and love playing football
Football I'll give you. but Gridiorn....don't knock it till you have tried it. They hit hard.
Before anyone gets onto the good old "but they use so much padding", that is because the aim of Gridiorn is to stop the guy and produce a fumble, in Rugby the aim is to wrap the guy up and encourage the oppostion to kick.