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,

The ongoing contract saga with running back James Cook took a negative turn for the Buffalo Bills. On Sunday during the team's ninth day of training camp, Cook sat out because of the ongoing negotiations.

Cook has openly wanted a new contract. When asked for a reason why the running back did not participate, the team issued a "no comment."