[MLS] The Colorado Rapids, fifth in the Western Conference, beat the Eastern Conference runner-up Columbus Crew, 1-0, in the first leg of their conferencesemifinal series thanks to the unlikeliest of heroes. Pablo Mastroeni, who has scored only six goals in 286 regular-season games in his 13-year career and wasscoreless in 23 playoff games entering Thursday’s match, had the lone goal.

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