Seville, 23, overcame a shaky start in the heats to dominate the semi-finals and final.
With 15 minutes left, City launched a sharp counterattack, but Dutch midfielder Tijjani Reijnders failed to convert, missing a chance to put his side four goals up.
Hatton had openly spoken about his challenges with mental health, alcohol, and substance abuse, admitting to depression and several suicide attempts.
Ajayi clocked a time of 9.93 seconds to finish second in his semi-final heat on Sunday.
Ajayi’s time is a new personal best. He now ranks as Nigeria’s third-fastest sprinter ever, behind Olusoji Fasuba (9.85 seconds) and Divine Oduduru (9.86 seconds).
The defeat marks a tough start for Postecoglou.
These players, often hailing from humble beginnings, represent the pinnacle of athletic achievement and reap the rewards of their dedication and skill.
Mr Ajadi stated that even as a basketball coach, he supports football.
The former Eagles’ captain warned that Nigeria, Africa’s biggest football nation, risks missing the World Cup for a second time in a row.
Nigeria will play in Group A, which consists of Angola, Tunisia, Kenya, the Benin Republic, and Madagascar.
