To make room on the roster, the team placed defensive lineman Victor Dimukeje on the injured reserve list.
The 49ers Communications staff provided the following rundown.
Joyner (6-4, 262) originally entered the NFL after signing with the Las Vegas Raiders as an undrafted free agent on May 10, 2025. He was later released by the team on August 25, 2025.
A 25-year-old native of Danbury, CT, Joyner attended the University of Minnesota for five seasons (2020-24), where he appeared in 42 games (14 starts) and registered 66 tackles, 14.5 sacks, nine passes defensed, four forced fumbles, and two fumble recoveries.
Dimukeje (6-2, 250) originally signed with the team on August 17, 2026.
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