SANTA CLARA – Injuries will sideline a slew of 49ers and Buccaneers when these wounded NFC powers meet Sunday at Tampa Bay’s Raymond James Stadium.

Quarterback Mac Jones, however, looks able to gut out a fourth start in place of Brock Purdy.

With Purdy officially out a fourth game this season, coach Kyle Shanahan said Friday he is “pretty much” banking on Jones playing, adding that Jones is questionable because “you have to put it that way if there’s any doubt at all.”

A day after Jones did not throw in 49ers practice, he was targeting receivers with pinpoint accuracy in red zone drills Friday, only a couple of hours before the 49ers’ flight. Jones has battled a knee issue for two months, and he strained an oblique late in last Thursday’s overtime win at the Los Angeles Rams.

On a side

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