Mike Francesa and Chris Russo's 'Mike and the Mad Dog' radio show ruled afternoon sports talk from the New York studios of WFAN 660 for 19 years-not bad considering they didn't think they'd last 19 days together. Even though they both brought Long Island accents and encyclopedic sports knowledge to the microphone, they were distinctly different personalities who often clashed on and off the air. But when all was said and done, they changed sports radio forever.