TalkSport reports that the Hammers are set to battle it out with Udinese and Lazio to sign the 22-year-old in January.
Boyd scored 17 goals for Austrian side Rapid Vienna last season.
The Germany-born striker joined Rapid Vienna from Bundesliga side Borussia Dortmund last year.
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Liverpool have unveiled their new home kit for next season, sticking with the hugely popular retro styling of the current shirt.
The reputation of the Premier League means it is the most popular and one of the most watched leagues in the world.