Linebacker Tatum Bethune and kicker Eddy Piñeiro will be out indefinitely after sustaining injuries in the 49ers’ 41-22 victory over the Arizona Cardinals on Sunday at State Farm Stadium.

Bethune sustained a high ankle sprain and is expected to miss multiple weeks with the injury, 49ers coach Kyle Shanahan said Monday via conference call.

Bethune will probably not be placed on injured reserve, as the 49ers have their bye week coming up after two more games, Shanahan added.

Piñeiro sustained a Grade 1 right hamstring strain and is listed as “week to week,” Shanahan said, sharing that the 49ers plan to bring in kickers either Tuesday or Wednesday to audition for the temporary opening.

Shanahan said he did not know whether former Baltimore kicker Justin Tucker is among those being co

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