Sports broadcaster Christopher Russo, also known as Chris "Mad Dog" Russo, headlines the Mad Dog Radio sports-talk channel on Sirius and XM satellite radio.The Wall Street Journal: Sirius Hires Chris Russo for Sports-Talk Channel His show, "Mad Dog Unleashed," premiered on September 15, 2008 and was the first original show available on both Sirius and XM radio.The Wall Street Journal: Sirius Hires Chris Russo for Sports-Talk Channel The channel, which consists of 24-hour sports talk programming Monday through Friday, launched in February of 2009.MediaBuyerPlanner: Mad Dog Radio Debuts on Sirius XM (February 10, 2009)

On February 11, 2009, during an appearance on The Howard Stern Show, Russo said that despite rumors that Sirius was experiencing financial difficulties that could result in his salary being cut, he would not return to terrestrial radio.Watchdog (Newsday): Chris Russo says he will not return to terrestrial radio (February 11, 2009)

Russo began co-hosting the Mike and the Mad Dog radio show along with Mike Francesa in September of 1989. In August of 2008, it was announced that he had quit the show.New York Daily News: Chris 'Mad Dog' Russo out at WFAN (August 14, 2008) News of Russo's departure coincided with the announcement of a new contract for Francesa, who hosts a sports talk program called Francesa on the FAN.Newsday.com: [1]