A 63rd minute header from Aurélien Collin gave Sporting Kansas City a lead it would never lose.
The match between two of the best clubs in MLS was not without drama prior to the goal. C.J. Sapong looked to have given his team a lead with a looping header just before the break, but he was judged to have pushed off a defender and the goal was waved off.
Shortly after the break Sapong had another chance to put his team in front, getting a foot to a passed set piece and curling it just the wrong side of the post.
Collin scored his second goal of the year off a towering header from Graham Zusi's corner, and Sporting managed to hold on for the win despite a push from Salt lake to find an equalizer.
In the second half, RSL put a shot on frame to end Sporting KC's MLS-record streak at 335 minutes without allowing a shot on goal. Sporting is the second team to win the first six games of a season; the 1996 LA Galaxy is the other.
Follow GOAL.COM USA on