Jarryd Hayne played rugby league, rather than Aussie Rules (which is what these blokes are playing).
It's really cool to see Cam out on the MCG, that's my favourite place in the whole world. I've seen my team (Hawthorn) win three Premierships there, 100,000 or so people in attendance each time. Great stuff.
He trained today with Richmond: http://www.heraldsun.com.au/sport/afl/nfl-star-cam-newton-tries-his-hand-at-afl-trains-with-richmond-at-pund-rd/story-fni5f9jb-1227432440759 Nice little video in there, too.