Penalty shootouts: EFL to trial 'ABBA' format in 2017-18 - BBC Sport

The "ABBA" format for penalty shootouts will be implemented in all English Football League competitions in 2017-18.

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Penalty shootouts: Academics find fairer format, but will football accept it?

The fairness of long and short ABBA-sequences: A basketball free-throw field experiment - ScienceDirect

ABBA penalty shootout trials yield a more fair, balanced format - Sports Illustrated

The fairness of long and short ABBA-sequences: A basketball free-throw field experiment - ScienceDirect

The 5 worst things about the new ABBA penalty shoot-out as Arsenal win Community Shield in bizarre fashion - Mirror Online

Leicester City - Chelsea ABBA Penalty Shootout - Fifa 22 Simulation

Euro 2020 final: England beaten by Italy on penalties - BBC Sport

FIFA 22, New * ABBA Penalty shootout