SANTA CLARA, Calif. -- While the San Francisco 49ers are likely going to be without starting quarterback Brock Purdy on Sunday against Tampa Bay because of a toe injury, he isn't the only signal caller on the roster dealing with pain.

Mac Jones , who is in line to start a fourth game for the Niners should Purdy be unavailable, was limited in practice Thursday for a second straight day as he deals with left knee and oblique ailments.

Although Jones expressed optimism Thursday that he'll be available to start against the Buccaneers, he also made it clear that he's still in the midst of recovering.

"(I'm) just getting treatment every day and working," Jones said. "I feel confident and just working through it day by day. That's all you can do."

Jones played through the knee issue in

See Full Page