Philadelphia Union starting XI: Zac MacMath, Chris Albright, Sheanon Williams, Carlos Valdes, Porfirio Lopez, Brian Carroll, Michael Farfan, Keon Daniel, Gabriel Gomez, Danny Mwanga, Lionard Pajoy
Philadelphia Union subs: Chase Harrison, Josue Martinez, Roger Torres, Cristhian Hernandez, Zach Pfeffer, Chandler Hoffman, Danny Califf
Colorado Rapids starting XI: Matt Pickens, Kosuke Kimura, Marvell Wynne, Drew Moor, Luis Zapata, Pablo Mastroeni, Jeff Larentowicz, Jamie Castrillon, Brian Mullan, Omar Cummings, Tony Cascio
Colorado Rapids bench: Steward Ceus, Tyrone Marshall, Scott Palguta, Ross LaBauex, Wells Thompson, Andre Akpan, Quincy Amarikwa
Before the game gets started, I recommend everyone read this post from Cartilage Free Captain on Fabrice Muamba. You'll be glad you did.