Moses Daddy-Ajala Simon MON (born 12 July 1995) is a Nigerian professional footballer who plays as a forward or left winger for Ligue 1 club Nantes and the Nigeria national team.

[6] On 10 May 2013, it was announced that Simon had signed a pre-contractual agreement with Dutch club Ajax to join them in pre-season training, having previously been linked with Liverpool and Tottenham Hotspur.

[8] He made a further appearance on 17 July, playing for the reserves team Jong Ajax in a pre-season friendly match against Voorschoten '97, scoring the second goal in the 5–0 home win.

[15] He made his league debut in a 1–1 draw against MFK Košice starting on the right wing alongside Gino van Kessel who was on loan from Ajax.

[16] He made his club international debut during the Trenčín's 2014–15 UEFA Europa League campaign, when he was introduced during the second preliminary round of the competition, in the home match against Vojvodina Novi Sad from Serbia (played at the stadium in Dubnica, Slovakia).

He quickly became a key player in coach Hein Vanhaezebrouck's formation and helped Gent win their first ever national Championship title in May 2015.

[30] Simon received his first call-up to the Nigeria national team by coach Daniel Amokachi in March 2015 and made his debut on the 25th of the same month in an international friendly against Uganda, when he replaced Anthony Ujah after 59 minutes in the game.