Colorado and D.C. failed to create many chances between them, with Jared Watts' nightmare own-goal the only difference.
Major League Soccer: Yordy Reyna (32') Vancouver Whitecaps 2-0 Houston Dynamo
Diego Rubio and Gerso both scored as Sporting Kansas City surged past FC Dallas at home.
Major League Soccer: Fredy Montero (17') Vancouver Whitecaps 1-0 Houston Dynamo
Major League Soccer: Gerso Fernandes (90'+2) Sporting Kansas City 2-0 FC Dallas
Nicolas Hasler's first MLS goal secured three vital points for Toronto at Chicago in a battle of two of the East's best.