NFL Network Insider Tom Pelissero combs over the contract extension details for Buffalo Bills running back James Cook that was agreed to earlier today.

Buffalo Bills running back James Cook has agreed to a four-year, $48 million extension with the franchise, which includes $30 million guaranteed, per ESPN's Adam Schefter and multiple reports. Cook attended mandatory mini camp earlier this summer and decided to end his "hold-in" on Tuesday as a full participant in practice this preseason.

The Bills and running back James Cook have agreed to a contract extension, GM Brandon Beane announced Wednesday. The deal is for four years at a total of $48 million with $30 million guaranteed, according to the first report from ESPN’s Adam Schefter.