The 49ers announced they have signed edge rusher Tarron Jackson to the team's practice squad ahead of Week 18 against the Arizona Cardinals.

One player who should be healthy after not showing up on the practice participation report is wide receiver Jauan Jennings. Jennings has been the breakout star of the 2024 season for the 49ers, and now with one week to go he’s just 77 yards shy of his first-career 1,000-yard season.

The Arizona Cardinals will host the San Francisco 49ers Sunday afternoon at State Farm Stadium to close out the season but will not face quarterback Brock Purdy. He has been ruled out of the finale with an elbow injury he sustained Monday night against the Detroit Lions.

NFL Week 18 odds, picks, predictions, TV channel, streaming information for Sunday football game between San Francisco 49ers and Arizona Cardinals.

With starting QB Brock Purdy working through an elbow injury he sustained in the 49ers’ Week 17 loss to the Detroit Lions, Joshua Dobbs will get the start under center according to head coach Kyle Shanahan. Brandon Allen, who started the team’s Week 12 game in Green Bay, will be the backup.

A handful of star San Francisco 49ers players did not participate in Wednesday's practice ahead of the Week 18 game against the Arizona Cardinals.

The San Francisco 49ers have announced the signing of defensive lineman Tarron Jackson to their practice squad. The move comes just ahead of the team's regular-season finale against the Arizona Cardinals at State Farm Stadium.