Deebo Samuel extends touchdown streak to four games.

CB Charvarius Ward records first-career pick-six.

49ers' defensive front notches three sacks against the Cardinals.

Quarterback Brock Purdy's resilient return after a second-quarter hit.

Christian McCaffrey's three-touchdown day boosts the 49ers.

49ers maintain conference lead and playoff positioning.

Brock Purdy's emotional NFL debut in his home state.

Deebo Samuel's crucial 12-yard touchdown reception.

Charvarius Ward secures a second interception late in the game.

Javon Kinlaw and Nick Bosa contribute to the defensive front's dominance.

Sam Darnold briefly steps in during the second quarter.

McCaffrey ties for the league lead in touchdowns with three scores.