Casillas picked Real Madrid goalkeeper Thibaut Courtois as number one in his top five list.

The former Real Madrid goalkeeper didn’t include Liverpool goalie Alisson Becker in his list.

Casillas’ top five via 433:

1. Thibaut Courtois (Real Madrid)
2. Ederson (Manchester City)
3. Jan Oblak (Atletico Madrid)
4. Marc-Andre ter Stegen (Barcelona)
5. Manuel Neuer (Bayern Munich)