San Francisco 49ers quarterback Brock Purdy missed practice Wednesday and backup Mac Jones was limited while dealing with two injuries.

Purdy missed three of the past four games with a turf toe issue and his availability for Sunday’s game at the Tampa Bay Buccaneers doesn’t look promising.

49ers coach Kyle Shanahan told reporters he doesn’t believe Purdy needs a stint on injured reserve.

“It hasn’t been a thought on (placing Purdy on) IR,” Shanahan said. “He’s progressing.”

Jones has been dealing with a left knee issue since Week 3. Shanahan said Jones also has an oblique injury, which apparently occurred while he was getting hit hard and often during a 26-23 overtime victory over the Los Angeles Rams on Oct. 2.

The third quarterback for the 49ers is Adrian Martinez, who was promoted

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