Mondeaux, 6-5, 280, undrafted free agent from Oregon in 2018, spent the offseason and training camp with the New Orleans Saints. He picked up four tackles in four preseason games with the club this season.
Walker, 6-2, 278, undrafted free agent from Maryland this season, spent training camp with the Chicago Bears He played in five preseason games, tallying five tackles and one and a half sacks with a pass defended.
The club also tried out CB DeAndre Elliott on Friday. The 6-1, 188, corner signed with Seattle as an undrafted free agent in 2016 and spent parts of two seasons with the team. He finished the 2017 season on injured reserve with an ankle, and the Seahawks waived him on July 26, 2018, with a failed physical designation.