The Hammers have lost main goalscoring threat Andy Carroll to a heel injury and as a result have resorted to playing six midfielders with no forwards, with Modibo Maiga not proving an adequate replacement for the big Geordie.
Short-term replacements have been found in Mladen Petric and Carlton Cole, but both are lacking match fitness having been released in the summer.
The 4-6-0 formation worked a treat as Sam Allardyce's men ran out rampant 3-0 winners against Tottenham, but its deficiencies were exposed as Manchester City eased past them 3-1 on Saturday evening.
Icelandic international Finnbogason's record of 35 goals in 41 games for Dutch club Heerenveen is understandably appealing to Allardyce, who has seen his side score just eight goals in as many games.
He was the Eredivisie's third highest scorer last season, scoring nearly half of Heerenveen's 50 league goals and has also managed four for his country in 18 appearances.
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