Darren Rizzi makes coaching staff changes on D-Line and run defense; adds asst ST coach

The whole “optional stretching before playing thing” is kind of blowing my mind. Then Loomis has the gall to blame this termination/situation on injuries?
Like you and many others here l find this totally bewildering
One of the most unprofessional things l have ever heard in the NFL
I would love to know which players opted out