english: On 9 December 2014, Maitland-Niles made his professional debut at the age of 17 years and 102 days in a UEFA Champions League match against Galatasaray.
non_english: Ing 9 Desember 2014, Maitland-Niles damel debut profesional ing umur 17 taun lan 102 dina pertandhingan Liga Champions UEFA nglawan Galatasaray.