Washington, 27, is a former sixth-round pick by the Bears in the 2013 NFL Draft. He finished out his four-year rookie contract with the Bears before signing on with the Lions this past March.
In 2016, Washington appeared in 15 games for Chicago and recorded 20 total tackles, two sacks, and one pass defense. Pro Football Focus graded him as the No. 54 overall defensive lineman out of 127 qualifying players.
Moore, 28, originally signed on with the Raiders as an undrafted free agent out of Southern Methodist back in 2011. However, he lasted just a few months in Oakland before he was waived a few weeks into his rookie season.
Moore bounced around a bit with the Patriots, Cowboys, Buccaneers and before signing a one-year contract with the Saints right before the start of the 2016 regular season. Moore returned to the Saints on a one-year, $900,000 last year and was on and off of their roster throughout the season.
In 2017, Moore appeared in six games for the Saints and recorded five tackles, a forced fumble and two pass defenses.
McDougle, 27, is a former third-round pick of the Jets back in 2014. The Jets waived him coming out of the preseason back in 2016 and later signed him to their practice squad.
The Eagles would acquire McDougle from the Jets in exchange for S Terrence Brooks during the preseason last year. However, Philadelphia later reversed course and waived him.
McDougle had a brief stint with the Saints last season before signing a futures contract with the Jaguars this past January. Jacksonville elected to him loose a few weeks ago.
In 2017, McDougle appeared in nine games and recorded six tackles and no interceptions for the Eagles and Saints.