CHRIS RUSSOMIKE FRANCESA WFAN’s Mike and The Mad Dog Show, 10 years old this September, appears headed for another four years, at least.

According to WFAN sources, Chris Russo has agreed to a four- or five-year contract extension and his co-host, Mike Francesa, has preliminarily approved a similar renewal.

Russo’s new deal, according to the sources, will pay him approximately $700,000 a year – a boost of roughly $200,000 per over a previous five-year deal, while Francesa’s contract will be in the neighborhood of $1 million per, up from nearly $600,000 per.