Goals from Lee Bowyer (2), Mark Viduka, Eirik Bakke, Dominic Matteo and Darren Huckerby sealed an impressive win for Leeds United.
The former Leeds United midfielder wants to see the Whites back in the Premier League.
The Irish side are in Europa League action tonight.
Leeds United are expected to be reunited with Stephen McPhail in the pre-season.
The Chief remains a popular figure at Elland Road.
Former Leeds United midfielder Stephen McPhail backs Cardiff City to gain promotion from the Championship to the Premier League.
Shamrock Rovers striker Stephen McPhail reflects on his time spent at Championship outfit Leeds United.