The 49ers promoted defensive lineman Robert Beal Jr. to the active roster from the team’s practice squad on Wednesday, the team announced.

San Francisco also signed defensive lineman William Bradley-King and safety Jaylen Mahoney to the practice squad. It released defensive back Derrick Canteen from the practice squad.

Beal Jr. entered the NFL as a fifth-round pick of the 49ers in 2023. He has appeared in 18 games and totaled 15 tackles and a sack.

The 49ers waived him Sept. 13 but signed him back to the practice squad after he cleared waivers.

Bradley-King joined the Commanders as a seventh-round pick in 2021. He has spent time with the Commanders (2021-23), Patriots (2023-24), Dolphins (2024) and 49ers (2025).

Bradley-King has appeared in four games and registered seven tackles.

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