Onyekuru and Diagne helped Galatasaray win the top-flight title for a record 22nd time with their contributions in front of goal.
Diagne finished as the league’s top scorer with 30 goals, including the 20 efforts before his January switch from Kasimpasa, while Onyekuru ended the campaign as Galatasaray's top scorer with 14 league goals.
Trezeguet, on his part, helped Kasimpasa avoid the drop with nine goals and nine assists in 34 league appearances.
In rewarding their fine form, Onyekuru has been given improved stats of 91 while Diagne has a rating of 93, and Trezeguet got an increased rating of 92 in Fifa 19.
Onyekuru’s Nigeria have been placed in Group B against Burundi, Guinea and Madagascar while Trezeguet’s Egypt will battle Uganda, DR Congo and Zimbabwe in Group A.