The San Francisco 49ers could end up replacing Brock Purdy with old friend Sam Darnold, an NFL writer suggests.

What would a Sam Darnold reunion mean for the San Francisco 49ers, and should they trade QB Brock Purdy and roll with Darnold instead?

A look at the quarterback's strengths and shortcoming as the 49ers begin negotiating a new, multiyear contract.

It was a tough season for the San Francisco 49ers, and with it came Brock Purdy's worst stretch ... which would be more than Kyler Murray, Deshaun Watson, Tua Tagovailoa, Jordan Love, and Jared ...

See what Kyle Shanahan, Joshua Dobbs, Jonathan Gannon and Kyler Murray had to say following the Week 18 contest.

The 49ers vs. Cardinals game starts at 1:25 p.m. PT and can be seen on Fox. Play-by-play broadcaster Chris Myers and color analyst Mark Schlereth will call the game from the booth at State Farm Stadium, with Jen Hale reporting from the sidelines.

Brock Purdy and the San Francisco 49ers are not playing in the NFL Playoffs. But his contract situation is under a microscope given struggles from Jordan Love and others.

Kyler Murray threw for 242 yards and four touchdowns, two to Greg Dortch, and the Arizona Cardinals beat the injury-depleted San Francisco 49ers 47-24.

The San Francisco 49ers entered their Week 18 finale on the road against the Arizona Cardinals with several starters ruled out. Quarterback Brock Purdy, receiver Deebo Samuel and cornerback Deommodore Lenoir were all ruled out with injuries.