Courtois 's return from a three - year loan at Atletico Madrid sparked conjecture about which goalkeeper Mourinho would select as his number one .
It was the 22 - year old Belgian who started in Monday 's 3 - 1 win at Burnley .
Courtois 's return from a three - year loan at Atletico Madrid sparked conjecture about which goalkeeper Mourinho would select as his number one , and it was the 22 - year old Belgian who started in Monday 's 3 - 1 win at Burnley .