San Francisco 49ers' Nick Zakelj takes part in drills during the NFL team's football training camp in Santa Clara, Calif., Tuesday, Aug. 1, 2023. (AP Photo/Jeff Chiu Stock Photo - Alamy
49ers, NFL news: Spencer Burford is the only rookie offensive linemen who hasn't allowed a sack - Niners Nation
San Francisco 49ers' Jake Brendel, left, and Leroy Watson IV take part in drills during the NFL team's football training camp in Santa Clara, Calif., Tuesday, Aug. 1, 2023. (AP Photo/Jeff Chiu
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San Francisco 49ers offensive tackle Colton McKivitz (68) takes part in drills during the NFL team's football training camp in Santa Clara, Calif., Tuesday, Aug. 1, 2023. (AP Photo/Jeff Chiu Stock Photo - Alamy
San Francisco 49ers' Jake Brendel, left, and Leroy Watson IV take part in drills during the NFL team's football training camp in Santa Clara, Calif., Tuesday, Aug. 1, 2023. (AP Photo/Jeff Chiu
San Francisco 49ers offensive lineman Spencer Burford takes part in drills at the NFL football team's practice facility in Santa Clara, Calif., Tuesday, May 24, 2022. (AP Photo/Jeff Chiu Stock Photo - Alamy
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