Mac Jones is in line to make a second straight start under center for the San Francisco 49ers after the team listed quarterback Brock Purdy as questionable for Sunday's game against the Arizona Cardinals.

Purdy came away from the season-opening win against Seattle with toe and left shoulder injuries, his toe being the bigger concern. He sat out Week 2 while Jones guided the Niners to a 26-21 victory at New Orleans.

Coach Kyle Shanahan told reporters Friday afternoon that Purdy has made progress, though not enough to return to the starting role just yet.

"I think it's highly unlikely that (Purdy) will start," Shanahan said. "We're just trying to see where he's at to see if he can be a 2 or an emergency 3."

Purdy was a limited participant in practice from Wednesday through Friday. He tol

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