Super-sub Mandroiu on the money to decide battle of the billionaires 

Playmaker springs from the bench after Derry's dominance and helps to send champions four points clear 

In the right place: Rovers’ Daniel Mandroiu scores his side’s first goal of the game

SHAMROCK ROVERS 1 DERRY CITY 0 

In the battle of billionaire clubs, substitute Danny Mandroiu supplied the Midas touch to set Shamrock Rovers on their way to a potentially title-defining victory.