Below are the 49ers-Rams in-game injury updates.
OL Colton McKivitz (knee, out)
In the third quarter, the 49ers ruled out offensive lineman Colton McKivitz with a knee injury. McKivitz was filling in for left tackle Trent Williams, who suffered a high-ankle sprain in Week 3 against the Denver Broncos. Jaylon Moore entered the game for McKivitz following the injury.
DL Arik Armstead (foot, out)
In the fourth quarter, the 49ers announced that defensive lineman Arik Armstead is ruled out of the remainder of the game due to a foot injury. Armstead missed the team's Week 3 contest against the Denver Broncos due to plantar fasciitis in his right foot.
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