All three scores in the game came in the final 20 minutes.
Smith tied it 3 minutes later with a long shot that was misplayed by Houston goalkeeper Tally Hall. Smith's free kick sailed over Hall's head after he came out from the goal to play it.
Palguta scored the game-winner off a corner kick in the 84th minute.
Colorado improved to 4-3-1 and Houston slipped to 3-2-3.
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