"Menez is here," the club from Reggio Calabria in the south of Italy said in a video posted on Twitter.
The 33-year-old forward, who played for France 24 times, started his career at French club Sochaux in 2004 before joining Monaco two years later. He won two Ligue 1 titles during a three-year spell with Paris Saint-Germain from 2011 to 2014. He returns to Italy where he played for Roma from 2008-2011 and AC Milan from 2014-2016, followed by a season in Bordeaux and stints in Turkey and Mexico.
Last year Menez returned to France, playing for a season with second-division Paris FC.