http://www.mlssoccer.com/news/article/supporters-week-players-rank-mls-toughest-crowds 8. PPL Park (Philadelphia Union) The Sons of Ben may get all the press, but there is life in Chester beyond the River End. They were the new guys in 2010, but these fans already have a reputation. 9. RFK Stadium (D.C. United) This is the original 12th Man of MLS. Unlike most stadiums, the club’s largest supporters groups are housed in the bouncing, sideline stands in full view of the TV cameras. Why hide the hardcore behind the goals? 10. Red Bull Arena (New York Red Bulls) The South Ward brings the ruckus with its “only in New York” mix of Latin-percussion and witty interpolations of hip-hop, punk and terrace anthems. Add in the only full roof in MLS and the volume pumps up to 11. -- I thought 8 was a bit low, but I'm glad we edged these 2.