Primary role is to prevent goals through saves and ball distribution. Must excel in shot-stopping, kicking, catching, and communication. Famous example: Lev Yashin, Ballon d'Or winner
Born in 1993, started playing at age five with Ločan. Joined Olimpija Ljubljana youth academy at age ten. Signed for Benfica at 17, winning domestic treble in 2013-14
Born in 1981 in Madrid, Casillas started at Real Madrid's youth system. Became youngest Champions League finalist at 19 years and 4 days. Won five La Liga titles and three Champions Leagues with Real Madrid
Started as striker at Škoda Plzeň, became goalkeeper after breaking leg at 10. Joined Sparta Prague in 2001, set league record of 903 minutes without conceding. Moved to Rennes for €5.5 million in 2002
Born in 1992, Courtois started as left back at Bilzen V.V. Joined Genk at age 7, became first-choice goalkeeper in 2010-11. Won Belgian Pro League with Genk in 2010-11 season
David De Gea leads the list as current goalkeeper, winning three consecutive POY awards. Ole Gunnar Solskjaer ranks second, known as 'Baby-faced assassin'. Denis Irwin takes third place as legendary left-back. Steve Bruce and Patrice Evra complete the top 20