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.

James Cook returned to practice on Tuesday. On Wednesday, he agreed to a big-money extension. The Buffalo Bills and Cook agreed to terms on a four-year, $48 million extension, per NFL Network Insiders Ian Rapoport and Tom Pelissero.

Buffalo and star running back James Cook agreed to a four-year, $48 million deal with $30 million guaranteed, NFL Network reported Wednesday morning. It puts an end to a strange hold-in situation for the 25-year-old as he pushed to be paid like one of the league’s top backs.