Scruggs, 32, played at St. Xavier High School in Cincinnati and was on Fickell's staff at Cincinnati from as director of player development in 2018 and '19 and as defensive line coach in 2020 and '21.
He was the assistant defensive line coach for the New York Jets this season.
A defensive lineman at Louisville, Scruggs played in the NFL from 2012-16 with Seattle, Chicago and New England.
Scruggs joins
offensive coordinator/quarterbacks coach Phil Longo,
defensive coordinator/inside linebackers coach Mike Tressel, offensive line coach Jack Bicknell Jr.,
tight ends coach/passing game coordinator Gino Guidugli and associate head coach/wide receivers coach Mike Brown.