Manuel Pellegrini was unveiled as the Hammers' new boss a year ago today
The boss was quickly down to work with a pre-season training camp in Switzerland
Pellegrini introduces his team of backroom staff
Felipe Anderson and Jack Wilshere were two of the summer arrivals
The boss was keen to impart a new mentality on his players
The Hammers got their first Premier League win under the boss at Everton...
...And quickly followed that up by defeating Jose Mourinho's Manchester United
West Ham hit top form around the turn of the year
They ended the campaign strongly too, winning three in a row - including at Tottenham Hotspur
Is is exactly a year since Manuel Pellegrini was appointed West Ham United boss.
The Chilean became the 17th full-time boss in the Hammers’ 124-year history when he took charge on 22 May 2018, becoming the first Premier League-winning manager and first South American to fill the coveted role.
Pellegrini's first season in charge brought many highlights, and we remember some of the best moments of his campaign in our gallery above.