Benayoun now 32, re-joins the Hammers seven years after his first appearance for the club and five years after he departed for Liverpool after rejecting an improved offer from the Hammers.
A one year-loan deal has been agreed with his current club Chelsea that will see the Hammers not having to pick up the Israeli’s reported £93,000 per-week wages.
Yossi’s arrival comes at the end of a very productive transfer window for the Hammers as they look to build a squad capable of securing Premier League football for next season.