Cornerback Max Hairston suffered a knee injury that is keeping him sidelined for multiple weeks, and wide receiver Khalil Shakir is week-to-week with a high ankle sprain. Now, for the first time this offseason, James Cook is sitting out a mandatory practice. When asked why he is sitting down, Cook just kept repeating, "business."

Buffalo Bills running back James Cook took another step in his attempts to get a new contract extension from the team on Sunday, opting to sit out a mandatory, full-team practice.