C.J. Stroud suffered a concussion during the Houston Texans' Week 9 game against the Denver Broncos and was ruled out for the remainder of the game. He entered concussion protocol after taking a hard hit in the second quarter, and Davis Mills replaced him at quarterback. The injury put his status for upcoming games in question, pending the league's concussion protocol evaluation. Key details:

• Incident: Stroud took a collision early in the second quarter that led to a head injury.
• Immediate action: He exited the game and began concussion protocol evaluation; he did not return.
• Team update: The Texans announced Stroud was in concussion protocol, with return status uncertain pending evaluation and progress through the protocol.
• Next steps: Stroud would undergo standard concussion protocol steps (assessment, clearance by medical staff, and return-to-play protocol) before potentially returning to game action.