An expert on soccer, Hirshey co-wrote The ESPN World Cup Companion: Everything You Need To Know About The Planet's Biggest Sports Event and appeared in the 2006 documentary Once in a Lifetime: The Extraordinary Story of the New York Cosmos.
Hirshey is recognized as an expert in soccer, having contributed to both "The ESPN World Cup Companion" and the documentary "Once in a Lifetime: The Extraordinary Story of the New York Cosmos".