Christopher Michael Russo (born October 18, 1959), also known as "Mad Dog", is an American sports radio personality best known as the former co-host of the Mike and the Mad Dog sports radio program with Mike Francesa, which was broadcast on WFAN in New York City and simulcasted on the YES Network. Russo joined Sirius XM Radio in August 2008 and operates his own channel, Mad Dog Sports Radio. He... see more