49ers’ Josh Johnson Replaces Brock Purdy After Elbow Injury

The rookie quarterback took a hard hit on San Francisco’s first possession of the game.

The 49ers have thrived as one of the best teams in the NFL this season despite a revolving door at quarterback. Now, that depth will be further tested once more.

San Francisco rookie quarterback Brock Purdy left Sunday’s NFC championship game against the Eagles after taking a big hit on his right arm by Haason Reddick during his team’s first possession. After the play was initially ruled an incomplete pass...