Colton McKivitz suffered MCL sprain vs. Rams; Shanahan provides other 49ers injury updates
49ers' Running Back Elijah Mitchell Running Back Out With MCL Sprain
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49ers starting RB Elijah Mitchell out with sprained MCL
49ers must be growing wary of Elijah Mitchell's injury reputation
NFL rumors: 49ers' Elijah Mitchell suffers MCL injury, will miss two months – NBC Sports Bay Area & California
Disappointed' Elijah Mitchell out for 49ers with sprained MCL - ESPN
49ers place RB Elijah Mitchell on IR, add RB Marlon Mack
San Francisco 49ers running back Elijah Mitchell expected to miss two months with MCL sprain
49ers' Running Back Elijah Mitchell Running Back Out With MCL Sprain
Elijah Mitchell - San Francisco 49ers Running Back - ESPN
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San Francisco 49ers lose second starting left tackle in two weeks, with Colton McKivitz to miss two months with MCL sprain in knee - ESPN