It should see the former Everton, Manchester United, Real Sociedad and Sunderland boss look to sign players he has worked with so they can hit the ground running under the Scottish manager. Here are three former players Moyes can sign.
The Hammers need a striker. No question, the likes of Andy Carroll and Javier Hernandez have underperformed and it has been a major factor in the east Londoners disappointing start to the 2017-18 season.
Under Moyes, Aggirexte not only found the back of the net regularly but also contributed with his aerial prowess in helping the likes of Carlos Vela shine in and around him. If Moyes is to buy a striker, he would be perfect to the Hammers' style of play.
Januzaj, who has a very similar CV to Moyes after starting off at Manchester United and playing under Moyes during his short tenure at Old Trafford before playing for Sunderland and now the Belgian is at Real Sociedad.
The 22-year-old has a had a hand in five goals during 12 La Liga appearances this season, scoring twice against SD Eibar and Las Palmas and adding three assists. That kind of playmaker with an eye for goal would be key.
The commanding centre-back is currently on loan with Turkish giants Galatasaray, but was on loan with Sunderland under Moyes during the Black Cats fight against relegation.
West Ham need a central defender, with James Collins, Jose Fonte, Winston Reid and Angelo Ogbonna all prone to injury. Classy on the ball but combative in the tackle, tempting parent club Man City to cancel his loan and sell him to West Ham permanently.
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