The simulcast of Mike Francesa's afternoon radio show, a fixture on YES since the network launched in 2002, will leave the channel after its contract with WFAN expires Jan. 31, a radio industry source said Saturday.

Michael Kay's afternoon show on ESPN New York radio is expected to replace the Francesa simulcast on YES, the Daily News reported. Kay is YES' Yankees play-by-play man.

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Kay's show will cost YES far less money than that of Francesa, but YES has been willing to pay handsomely for Francesa to this point. In 2009, Kay's radio show seemed bound for YES after MSG made a lucrative bid for Francesa, but YES decided to match the deal and retain the show.

Another potential motivation was frustration over Francesa's editorial content, notably his relatively sympathetic treatment of embattled third baseman Alex Rodriguez, including a recent in-studio interview with him.

It is unclear where Francesa's show will land, assuming he wants to continue a simulcast at all, but MSG -- which until September simulcast WFAN's morning show -- figures to be one possibility.