4. Thibaut Courtois (Chelsea and Belgium)
Young Belgian Thibaut Courtois has already achieved much in his fledgling career. After making his first team debut for Racing Genk as a 16 year old, Courtois was snapped by Premier League giants Chelsea as a long term replacement for Petr Cech. Subsequently loaned out to Spanish side Atletico Madrid, Courtois established himself as one of the game’s best young keepers with his fine performances, winning the 2012–13 and 2013–14 Ricardo Zamora Trophies for La Liga’s best goalkeeper, even appearing in the Champions League final despite being only 21 years old. He was subsequently called back to Chelsea where he replaced Cech as the team’s first choice keeper and helped them to a Premier League- League Cup double in 2014-15.