|Fire's Logan Pause (left) -- Getty Images|
Ruiz's game-winner came shortly after his free-kick chip was cleared out of the box by Fire second-half sub Logan Pause. From about 30 yards out, Ruiz took a left-footed shot that went over Fire goalkeeper Jon Conway, skimmed off the bottom of the crossbar and went into the goal for a 2-1 lead.
The winning tally stretched Chicago's winless streak to eight games, after the Fire (1-4-5) had previously earned a draw in four consecutive matches heading into Saturday.
"He just hit it as hard as he could," Conway said of Ruiz's strike. "I'm not sure if he was even trying to get it on frame. I felt I was in a good spot, but it just dropped into the goal."
Read more at ESPNChicago.com.