I'm willing to bet that we see 5 man midfield at the start of the game with JDG, Saric and Sanyang all on the field.
Sanyang and Saric's ankle breaking tackling will force Donovan and Buddle to choose between
a) Phyical comittment to this game
b) Risk avoidance to preserve their health for the world cup
This is their last league game before the US pre-world cup training camp... they will drift out of the game if its really physical from the start.