Cassidy returned to Ireland in mid-2005 to sign for Pat Scully'sKilkenny City during the summer transfer window. He immediately impressed with the First Division strugglers and his performances helped Kilkenny to a credible 4th place finish in 2005 First Division standings.
Following the conclusion of the 2005 campaign, Cassidy followed his Kilkenny manager Pat Scully and a number of his teammates to Shamrock Rovers who had suffered relegation to the First Division for the 2006 season. He immediately became a permanent fixture in the Hoops starting XI and Cassidy continued to play a pivotal role in the Rovers side for the remainder of the season as Rovers claimed the 2006 First Division title and promotion back to the Premier Division. In 2007, Cassidy once again was a regular fixture in the Rovers starting X1 as for the majority of that season they were in the running for the Premier Division title before eventually finishing 5th that season. Cassidy was released by Rovers at the end of the... Read More