Mike McCartney , QB Josh McCown’s, agent has already announced via Twitter that McCown has agreed to a two-year deal with the Buccaneers.
Ian Rapoport reports that McCown’s deal is worth $10 million
The #Bucs  deal for Josh McCown: It’s two years for $10M. He gets $4.75M this year, $5.25M next year.
— Ian Rapoport (@RapSheet) March 12, 2014 
Jason La Canfora reports that McCown also receives more in playtime incentives and a bonus for making the playoffs.
QB Josh McCown’s 2yr deal in TB worth $10M with another $1M available in playtime incentives and a $3M bonus for making the playoffs. Strong
— Jason La Canfora (@JasonLaCanfora) March 12, 2014 
La Canfora  adds that McCown has a chance to make a maximum of $15 million over two-years.