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49ers waive S Jacob Thieneman

The Niners needed to create one roster spot with 15 incoming rookies

Franklin American Mortgage Music City Bowl - Purdue v Auburn Photo by Timothy Nwachukwu/Getty Images

The San Francisco 49ers today announced they had waived S Jacob Thieneman. Thieneman (6-1, 215) originally joined the 49ers after signing to the team’s practice squad on December 12, 2019. He later re-signed with the team on February 5, 2020. A 24-year-old native of Noblesville, Indiana, Thieneman attended Purdue University (2014-18), where he appeared in 34 games and registered 170 tackles, 13 tackles for loss, 11 passes defended, 7.0 sacks, three interceptions, and one fumble recovery. Cam Inman of the Mercury Times had a nice story on Thieneman, who’s been spending this offseason on a low-cost ventilators project to combat COVID-19. The 49ers have 15 incoming rookies and only 14 open spots on their 90-man roster, so the team had to wave a player. That player was Thieneman.

As the 49ers continue to sign undrafted free agents, we’ll likely see changes to the current practice squad and the bottom of the roster. We got to know the 49ers UDFA class earlier on Monday.