The San Francisco 49ers announced on Tuesday that they have signed defensive lineman Leger Douzable (LEE-jay DOO-zub-ul) and defensive lineman Tony McDaniel to one-year deals. In order to make room on the roster, the team has placed defensive lineman Arik Armstead on the Injured Reserve List and released tight end Logan Paulsen.

Douzable (6-4, 284) originally entered the NFL after signing with the Minnesota Vikings practice squad as an undrafted free agent on September 3, 2008. He spent the 2008 season on the practice squad of both the Vikings and New York Giants. Over the previous eight years (2009-16), he has spent time with the St. Louis Rams (2009), Jacksonville Jaguars (2010-11), Tennessee Titans (2012), New York Jets (2013-15) and Buffalo Bills (2016). Douzable has appeared in 107 games (14 starts) and registered 159 tackles, 6.5 sacks, two passes defensed and one fumble recovery. Last season in Buffalo, he appeared in all 16 games (five starts) and finished with 43 tackles, 1.5 sacks and one pass defensed. He signed with the 49ers on August 14, 2017 and was released on September 1.

A 31-year-old native of Tampa, FL, Douzable attended the University of Central Florida where he appeared in 49 games (24 starts). As a senior in 2007, he earned First-Team All-Conference USA honors after starting all 14 games and leading the team with 7.5 sacks.

McDaniel (6-7, 305) originally signed with the Jacksonville Jaguars as an undrafted rookie free agent on April 30, 2006. Throughout his 11-year career, he spent time with the Jaguars (2006-08), Miami Dolphins (2009-12), Seattle Seahawks (2013-14 & 2016) and Tampa Bay Buccaneers (2015), appearing in 141 regular season games (47 starts) and registering 280 tackles, 11.5 sacks, 13 passes defensed and three fumble recoveries. He also saw action in seven postseason contests (five starts) with the Seahawks, adding 14 tackles, two passes defensed and one fumble recovery. After spending this year's training camp with the New Orleans Saints, he was released from the team on September 1, 2017.

A 32-year-old native of Columbia, SC, McDaniel attended the University of Tennessee where he appeared in 37 games and registered 33 tackles and one sack.

Armstead (6-7, 292) started each of the team's six games this season and finished with 16 tackles, 1.5 sacks and one pass defensed. Paulsen (6-5, 268) appeared in each of the team's six games this season.