OWINGS MILLS — Ravens coach John Harbaugh added four coaches to his staff after the team lost several assistants this offseason.

Mark DeLeone was hired as the inside linebackers coach to replace Zachary Orr, who was promoted to defensive coordinator.

Dennis Johnson has been hired as defensive line coach, replacing Anthony Weaver, who left to become the defensive coordinator in Miami.

Doug Mallory has been hired as defensive backs coach for Dennard Wilson, who was named defensive coordinator in Tennessee.

Finally, Travelle Wharton has been hired as assistant offensive line coach in place of Mike Devlin, who left to become the offensive line coach for the Chargers and coach Jim Harbaugh.

Here’s a breakdown of the new coaches. 

— DeLeone, 36, has 17 years of coaching experience, most recently serving as a defensive analyst with the University of Kansas for the past two seasons (2022-23).  Before joining the Jayhawks’ staff, DeLeone spent 10 seasons (2012-21) coaching in the NFL. He aided defensive units for the Detroit Lions (2021), Chicago Bears (2019-20) — where he coached current Ravens linebacker Roquan Smith — Kansas City Chiefs (2013-18) and New York Jets (2012) in numerous capacities, including leading inside linebackers for four seasons (2018-21).

— Johnson, 35, has been a collegiate coach for the past 12 years (2012-23), most recently leading Baylor’s defensive line since 2020. Before his time in Waco, Johnson spent six seasons (2014-19) at his alma mater, LSU, assisting the defense in multiple capacities. His coaching career began as a graduate assistant in 2012 at Northwestern State, where he worked with the linebackers and secondary for two seasons (2012-13).

— Mallory, 59, has more than 30 years of coaching experience, most as Michigan’s defensive analyst from 2021-23. He aided the Wolverines’ 2023 championship unit that allowed 10.4 points and 247.0 yards per game, helping Michigan earn its first national title since the 1997 season. Mallory originally joined the NFL coaching ranks as a defensive assistant with the Atlanta Falcons in 2015. He remained in Atlanta for six seasons (2015-2020), where he helped the Falcons reach Super Bowl LI (2016) and led their defensive backs from 2017-19 before returning to the collegiate level in 2021.

— Wharton, 42, has been coaching NFL offensive linemen for the past six seasons (2018-23), most recently serving as the offensive line coach for the Washington Commanders (2023). He was promoted to that role after assisting Washington’s unit for three seasons (2020-22). Wharton was also the assistant offensive line coach for the Carolina Panthers (2018-19), the same organization for which he spent nine years (2004-11, 2013) blocking during his playing career. He also assisted with Carolina’s 2017 offseason workouts and training camp as part of the NFL’s Bill Walsh Diversity Coaching Fellowship. Wharton began his coaching career in 2015 as an offensive quality control coach at his alma mater, South Carolina, before being promoted to the Gamecocks’ offensive line coach midway through that season.