Josh Johnson, the 49ers' 4th string QB playing in NFC Championship, explained

Cary Edmondson-USA TODAY Sports Josh Johnson is a fourth-string legend. The San Francisco 49ers entered the NFC Championship Game against the Philadelphia Eagles down to their third-string quarterback. After losing both Trey Lance and Jimmy Garoppolo to injury, they had to turn to Brock Purdy -- the last pick in the 2022 NFL Draft, who led the team to a perfect 7-0 record as a starter. However, Purdy himself went down in the first quarter against the Eagles. Enter Josh Johnson. Who? Glad you ask...