Our system measure performance levels, statistics and many other factors to assign an ELO ranking, with these the 23 players with the best ELO ranking to not feature in their country's World Cup squad.

The names on this list are chosen purely by numbers, though it is worth noting out that the likes of Gianluigi Buffon do not make the list, with Italy having failed to qualify for Russia.

Ralf Fahrmann (Germany) - Goalkeeper

ELO 86.

Bernd Leno (Germany) - Goalkeeper

ELO 83.

Marcelo Grohe (Brazil) - Goalkeeper

ELO 86.

Sergi Roberto (Spain) - Right-back

ELO 82.

Mario Gaspar (Spain) - Right-back

ELO 84.

Marc Bartra (Spain) - Centre-back

ELO 82.

Felip Monteiro (Brazil) - Centre-back

ELO 87.

Raul Albiol (Spain) - Centre-back

ELO 87.

Rafael Toloi (Brazil) - Centre-back

ELO 84.

Marcos Alonso (Spain) - Left-back

ELO 84.

Alex Telles (Brazil) - Left-back

ELO 85.

Radja Nainggolan (Belgium) - Midfielder

ELO 88.

Manu Trigueros (Spain) - Midfielder

ELO 83.

Hans Vanaken (Belgium) - Midfielder

ELO 84.

Asier Illarramendi (Spain) - Midfielder

ELO 83.

Rodriguinho (Brazil) - Midfielder

ELO 85.

Raul Garcia (Spain) - Midfielder

ELO 87.

Jose Callejon (Spain) - Forward

ELO 89.

Mauro Icardi (Argentina) - Forward

ELO 86.

Leroy Sane (Germany) - Forward

ELO 85.

Andre-Pierre Gignac (France) - Forward

ELO 89.

Gerard Moreno (Spain) - Forward

ELO 87.

Alexandre Lacazette (France) - Forward

ELO 86.

Mario Gaspar

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