Racing PositionsAnswering five 49ers questions: How George Kittle and Brock Purdy's injuries impact team1YNick Wagoner49ers extend RT McKivitz with 3-year, $45M deal1YNick Wagoner49ers sticking with internal offensive line philosophy, resisting outside pressure to overspend2YNick Wagoner49ers, RT McKivitz agree to 1-yr., $7M extension2YWR Samuel among squadron of returning 49ers4YNick WagonerNiners place OT McKinitz on IR, get S Ward back4YNick Wagoner49ers' McKivitz sprains MCL, will miss 2 months4YNick WagonerRams center Shelton, 49ers LT McKivitz ruled out4YSarah Barshop49ers' 53-man roster projection includes extra defensive lineman3YNick Wagoner
