The Premier League have confirmed that they have received an official complaint from West Ham over Fulham manager Roy Hodgson's decision to field a weakened team against Hull last Saturday.
Hodgson chose to rest five key players for the 2-0 defeat at the KC Stadium, which allowed the Tigers to pull level with Gianfranco Zola's relegation threatened side on 27 points.
Bobby Zamora, Danny Murphy, Damien Duff, Aaron Hughes and Dickson Etuhu all missed the defeat but returned for Thursday night's 2-1 win over Wolfsburg, which prompted the West Ham hierarchy to claim that Hodgson broke Premier League rules.
A Premier League spokesman told Press Association Sport: "We can confirm that we have received an official complaint from West Ham over this matter.
"We will now ask Fulham for their observations and then the Premier League board will then consider what actions, if any, are appropriate."
Premier League rules state that all teams must field their strongest side available for all games.
Should they find Fulham guilty, the Premier League could decide to impose a penalty similar to the £25,000 suspended fine handed to Wolves after Mick McCarthy rested nine of his players for his side's defeat at Manchester United in September.
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