The 49ers Communication staff provided the following rundown.
Kaufusi (6-9, 275) originally signed a reserve/future contract with the team on January 15, 2021. He was later waived on August 24, 2021.
Nacua (6-0, 205) appeared in five games with the team in 2020 and registered one tackle on special teams after he was promoted to the active roster from the team's practice squad. He signed a one-year extension with the team on February 11, 2021.
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