Tutti campioni da allora 2018
Per stagione
Wigan AthleticWigan
Leigh LeopardsLeigh
Wigan WarriorsWigan
St Helens RLFCSt Helens
Leeds RhinosLeeds
Warrington WolvesWarrington
Catalans DragonsCataloniaDi maggior successo
1
Wigan AthleticWigan2024
1
Leigh LeopardsLeigh2023
1
Wigan WarriorsWigan2022
1
St Helens RLFCSt Helens2021
1
Leeds RhinosLeeds2020
1
Warrington WolvesWarrington2019
1
Catalans DragonsCatalonia2018