Galway United took all the points from a tense Terryland Park clash as Jeff Kenna's St Patrick's Athletic suffered their sixth defeat in 10 games.
Having trounced Pat's on the opening night of the season Galway were eager to deliver a similarly enterprising performance.
But Pat's were intent on atoning for that shock reversal, and Jeff Kenna demanded a bright start from his side.
Five minutes in though Kenna watched in despair as Galway punished the Saints defensive inadequacies.
Jay O'Shea thumped a corner into the box, and Gary Breen guided the ball through a cluster of bodies as Galway made a dream start.
And Galway poured forward in search of a second goal during the first half hour, but they were pegged back in the 32nd minute.
Breen fouled Stuart Byrne in the area with referee Declan Hanney instantly awarding a penalty which was converted by Mark Quigley.
Galway regained the initiative two minutes into the second period when a deflected O'Shea free kick rattled the Saints net.
The drama continued to unfold, and Jamie Harris was red carded after the final whistle for dissent.