Rapids defender Hunter Freeman also figured prominently for Generation adidas logging 25 minutes in the game.
In the 17th minute Peterson took a cross from the Kansas City Wizards’ Will John who was on the left and beat goalie Jake Cole to give the Americans the lead.
Chivas USA’s Brad Guzan made a big save at the end of the first half to preserve the lead for Generation adidas.
A half hour into the second half Generation adidas made nine substitutions. Ten minutes later the fresh legs lead to the team’s second goal. FC Dallas’ Dax McCarty and the New York Red Bulls’ David Arvizu worked a give and go to add an insurance goal.
Sacha Kljestan of Chivas USA and Kei Kamara of the Columbus Crew both hit the post during the run of play.
Generation adidas will play their second game tomorrow against the Crystal Palace Reserves before the team goes the UEFA Champions League match between Chelsea and Levski Sofia.