Additionally, Sam Darnold makes things a bit murky, as he could be a backup or starter depending on how the current injuries play out.

Source: https://brobible.com/sports/article/49ers-confusing-qb-situation/

Brock Purdy is in the concussion protocol, which means Sam Darnold could be thrust into action.

Source: https://nesn.com/bets/2023/10/nfl-week-8-picks-against-the-spread-every-game-schedule/

Darnold has seen them.

Source: https://profootballtalk.nbcsports.com/2023/03/23/john-lynch-sam-darnold-was-craving-what-we-could-provide/

In his first season with the 49ers, Darnold was listed on the club’s first unofficial depth chart with Trey Lance as a second-string quarterback.

Source: https://www.nbcsports.com/nfl/profootballtalk/rumor-mill/news/kyle-shanahan-im-excited-to-see-sam-darnold-in-preseason-games

I saw Wilkes make Sam Darnold better than Baker Mayfield.

Source: https://profootballtalk.nbcsports.com/2023/01/28/ron-rivera-voices-support-for-steve-wilks-getting-another-head-coaching-opportunity/

Now they’re on the same side again, as Darnold signed with the 49ers in free agency last month.

Source: https://profootballtalk.nbcsports.com/2023/04/25/christian-mccaffrey-i-dont-think-sam-darnold-gets-a-lot-of-credit-for-his-toughness/

Sam Darnold could be the surprise winner of the ongoing quarterback derby in San Francisco, ESPN reported Tuesday.

Source: https://deadspin.com/reports-sam-darnold-winning-49ers-qb-derby-1850465864

The 49ers put Sam Darnold in the game to hand off and run the clock out.

Source: https://www.bleedinggreennation.com/2023/12/3/23986595/eagles-49ers-final-score-recap-results-nfl-news-analysis-jalen-hurts-deebo-samuel-revenge-game-sf

The offense kept giving the ball away and produced only two scoring drives until Sam Darnold threw a late touchdown with San Francisco trailing by 21 points.

Source: https://triblive.com/sports/brock-purdys-4-interceptions-doom-the-49ers-in-33-19-loss-to-the-ravens/

Unlike Darnold, though, who had every opportunity to prove himself a starter and failed, Lance hasn’t had such a chance.

Source: https://www.milehighreport.com/2023/8/25/23845225/trade-trey-lance-make-sense-for-denver-broncos

While Darnold could bring a controversy, he would also need to play a consistent game for the Cardinals to consider keeping him under center should such a scenario develop.

Source: https://raisingzona.com/2023/01/04/arizona-cardinals-kyler-murray-updates/

With Sam Darnold and P.J. Walker set to enter free agency, the Panthers have 2022 third-rounder Matt Corral as their sole quarterback under contract for 2023.

Source: https://fansided.com/2023/02/15/derek-carr-rumors-latest-next-team-odds-surprising-favorite/