What happened: The 6-foot-3, 238-pound Vaughn entered the NFL as an undrafted free agent in 2025. He arrives during the 2026 preseason after participating in training camp last year.
Why it matters: The move adds depth and another candidate to the linebacker competition. Vaughn has the preseason to earn a role before final roster cuts.
By the numbers: Vaughn recorded 147 tackles across 44 college games, an average of 3.3 per game. He added 19.5 tackles for loss, 3.5 sacks, four interceptions, three forced fumbles and two defensive touchdowns.
What to watch: Watch Vaughn's defensive and special-teams usage during preseason practices and games.