James Cook is seeking a new contract with the Buffalo Bills. He sat out practice Sunday as he negotiates with the franchise.

The James Cook contract situation took an interesting turn when the Buffalo Bills starting running back didn't participate in mandatory practice. Cook was present at practice, but as he searches for a lucrative extension,

Buffalo Bills running back James Cook was the one Buffalo star in line for an extension that didn't receive one this spring. Greg Rousseau, Khalil Shakir, Terrel Bernard, Khalil Shakir, and Josh Allen all received new deals over the offseason, but the Pro Bowl running back was left without one.