|Date of birth||11 March 1983|
|Place of birth||Casablanca, Morocco|
|* Senior club appearances and goals counted for the domestic league only.
Born in Casablanca, Morocco Mezgour started his career with an amateur team in Sala Bolognese, Emilia–Romagna in 1999. He then left for a team in Anzola dell'Emilia. Since 2002 he played for Virtus Castelfranco at Eccellenza Emilia–Romagna and won promotion to Serie D in 2004.
In 2008, he left Castelfranco Emilia and signed by another Emilia–Romagna team Bellaria – Igea Marina on free transfer. He played 17 Seconda Divisione matches before left for Cassino, of Group C of Seconda Divisione. He played 45 league matches for the Lazio team until the club was expelled from the professional league due to its financial difficulties.
- "COMUNICATO UFFICIALE N. 7/D" (pdf). Commissione Tesseramenti, FIGC (in Italian). 8 October 2008. Retrieved 28 October 2010.
- "L'Ancona in serie B e 20 club di Lega Pro non ammessi ai campionati". FIGC (in Italian). 16 July 2010. Retrieved 28 October 2010.
- "Nuovo attaccante per il Savona". Savona 1907 FBC (in Italian). 21 July 2010. Retrieved 28 October 2010.
- "Calcio, serie D: ecco il Sestri Levante di Juary per la stagione 2012/2013". Genova 24 (in Italian). 21 July 2010. Retrieved 28 October 2010.