Colts-Rams preview: Anthony Richardson clears concussion protocol, will start Week 4
Rams QB Matthew Stafford in concussion protocol
Rams QB Matthew Stafford 'questionable' vs. Cardinals despite 'good progress'
Matthew Stafford injury update: Why Sean McVay can't call it concussion - Turf Show Times
Stafford clears concussion protocol, on track to start vs. Saints
Rams place Matthew Stafford on injured reserve, with Lions' pick already in top 4
Rams QB Matthew Stafford clears concussion protocol, will play - ESPN
NFLPA Investigating Concussion Status of Rams QB Matthew Stafford - Sports Illustrated