49ers QB Brock Purdy injures elbow in NFC title game

San Francisco 49ers rookie quarterback Brock Purdy departed Sunday's NFC Championship Game against the Philadelphia Eagles with a right elbow injury.

The 49ers said Purdy was "questionable" to return, leaving the 49ers to turn to their fourth quarterback of the season -- 36-year-old Josh Johnson, who has started just nine times since the Tampa Bay Buccaneers selected him in the fifth round of the 2008 NFL Draft.

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