The San Francisco 49ers announced on Monday that they have signed linebacker Mark Nzeocha (nuh-ZAH-chuh) from the Dallas Cowboys practice squad to a one-year deal. In order to make room on the roster, the team has placed defensive lineman Garrett Celek on the Injured Reserve List.

Nzeocha (6-3, 240) was originally drafted by the Cowboys in the seventh round (236th overall) of the 2015 NFL Draft. Over the past two seasons (2015-16), he appeared in eight games and registered four tackles. He was waived by the Cowboys on September 3, 2017 and signed to the team's practice squad on September 5.

A 27-year-old native of Ansbach, Bavaria in Germany, Nzeocha* *attended the University of Wyoming. He appeared in 39 games (26 starts) and finished his career with 207 tackles, 13 tackles for loss, seven passes defensed, three forced fumbles, two sacks, one fumble recovery and one interception.

Nzeocha will wear number 46.

Carradine (6-4, 270) appeared in each of the team's first three games this season (two starts), where he registered seven tackles and one sack.