Michael Darren Cassidy (born 3 July 1973) is the Head of youth development of the Wigan Warriors and a former professional rugby league footballer. Cassidy had a wealth experience with the dominant Wigan side of the early to mid-1990s. Cassidy is a Great Britain representative. Mick Cassidy's position of choice was in the second-row, but he could also play as a prop or hooker. Cassidy has been labelled a utility player and has played wherever he has been needed.