The Hammers began their warm-weather training on the grass with a gruelling first session in the Miami heat.
Boss David Moyes and his assistants Stuart Pearce, Alan Irvine and Billy McKinlay put the squad through their paces in the sweltering temperatures and the team were certainly worked hard.
More tough training days are to follow for the Hammers in the States, before they return to east London at the end of the week.