 In 2018 the Indianapolis Colts, who hired Matt Eberflus as their defensive coordinator from Dallas, returned to the 4–3 front for the first time since 2011.The Washington Redskins, with the hiring of Ron Rivera as their head coach, will switch to the 4-3 defense in 2020.The San Francisco 49ers switched to the 4-3 defense in 2017, after running the 3-4 for a long time, with the hiring of defensive coordinator Robert Saleh.