Erling Haaland was the biggest breakout star of 2020 after joining Dortmund last January, but who has the potential to do the same in 2021?
Foden, Saka, Pedri headline ESPN's breakout players for 2021
Erling Haaland was the biggest breakout star of 2020 after joining Dortmund last January, but who has the potential to do the same in 2021?
