By Alek Arend It’s been a concerning week in the Stafford household. Matthew and the Rams lost their fourth game in five tries on Sunday. But that’s not the worst news of the week. Sean McVay announced on Wednesday that Matthew Stafford is in concussion protocol. It’s unclear when his concussion occurred. Kelly, Matthew’s wife, shared her thoughts about the latest injury news on her husband. She’s going through a range of emotions in response to the new development. “If you follow NFL, you just heard Matthew [Stafford] got put into concussion protocol,” she said in an Instagram story. “If you …