SANTA CLARA, Calif. -- Although the San Francisco 49ers don't yet know when quarterback Brock Purdy will return from the toe injury that has cost him three of their first five games, they also haven't reached a point where they're ready to rule him out for an extended period.

"It hasn't been a thought on [ placing him on ] IR," Niners coach Kyle Shanahan said Wednesday. "He's progressing."

Purdy didn't practice Wednesday, and things seem to be shaping up for Mac Jones to again start on Sunday against the Tampa Bay Buccaneers . Jones led the Niners to wins in each of his previous three starts.

Of course, Jones is dealing with injuries of his own, including a left knee issue and, according to Shanahan, an oblique injury. He was listed as a limited participant in Wednesday's pr

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