The back three has been used in various ways over the years. We take a look at how it works and why teams play with three at the back
Third-man runs: football tactics explained & how coaches like Guardiola use it — All Football App
What can Sunderland expect tactically from Michael Beale? - Sports Illustrated Sunderland Nation
Coaches' Voice The 3-4-3: football tactics explained
Rangers 2022/23: Their tactics under Michael Beale - scout report
Three at the Back; Tactical Variations in Football Manager
Coaches' Voice The 4-2-3-1: football tactics explained
Coaches' Voice The back three: football tactics explained
Does 'Potterball' exist?: Searching for patterns to how Chelsea's manager plays - The Athletic
Why 3-defender systems exploded in popularity across the soccer world this season
3 5 2 Soccer Formation - The Basics, Player Roles and Pros & Cons – BlazePod