SSE Airtricity League Premier Division leaders Shelbourne suffered a defeat on their trip west last night.
Galway United were 1-0 winners at Eamonn Deacy Park thanks to Jimmy Keohane's early strike.
They’re now in fourth place, one behind Shams in third, and two ahead of Sligo Rovers and Waterford.
Derry City are now three points adrift of the leaders, after a late Pat Hoban penalty salvaged a 1-1 draw at home to Shamrock Rovers.
St Pat's good form continued with a 3-0 win over Waterford, while second-from-bottom Drogheda United beat Bohemians 1-0.
Tonight, Sligo Rovers host Dundalk from 7:45pm at the Showgrounds.
In the First Division, Longford Town take on Wexford.