Who was the worst signing of the 2021 January transfer window

Who was the worst signing of the 2021 January transfer window? Amad Diallo? Olivier Ntcham? In the final January transfer window podcast with Eurosport and The Beautiful Game, the team join forces to look at the window and review the best signings, the worst signings and the ones that they wish had happened. In the second of a three-part special we focus on the worst signings of the window. Amad Diallo