They have been together for 19 years. Mike and the Mad Dog has been a sports staple for so long it is tough to imagine New York radio without them. There is however rumors circulating that the duo is indeed splitting up, and that Chris Russo may be on his way to Sirius XM Radio. According to Newsday, the Fan now confirms that, "we’ve already heard the last of Mike Francesa and Chris “Mad Dog” Russo, and Neil Best expects Russo to come to earth at Sirius XM."

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Newday's source at WFAN says that Mike Francesa may have signed a new deal with the terrestrial radio station despite the fact that his contract was not up until 2009. The source says Francesa will go solo in afternoons for now.

Mel Karmazin recently completed a merger between Sirius and XM. During the midst of the merger, some speculation surrounding Don Imus circulated, but Imus wound up staying on terrestrial. Karmazin's philosophy seems to be that of picking and choosing talent while at the same to keeping costs in line at the merged company. Sirius XM does have some high profile names, but the costs for those names has been high profile as well.

Chris "Mad Dog" Russo has been known for so long as one half of Mike and the Mad Dog that it will be interesting to see how he does on his own. As the more "energetic" side of the duo, he may fit well into the sports mix on satellite radio.

Thanks Muscle

Position - Long SIRI