Sergio Aguero scored a hat-trick as Manchester City stormed to the top of the Premier League with a 6-0 rout of Watford at Vicarage Road.

Slaven Bilic got the birthday present he so desperately needed as West Ham hauled themselves off the foot of the Premier League table with a 2-0 victory over Huddersfield.

Romelu Lukaku offered echoes of another Manchester United forward Wayne Rooney as he marked his league debut for Jose Mourinho’s team with two clinical goals.

Romelu Lukaku immediately started to pay off his transfer fee with two goals as Manchester United beat West Ham 4-0 in their Premier League opener.

Tottenham beware: a new ground means new gripes, writes Brenda O’Brien.

Premier League

West Ham0, Manchester United 2: Manchester United had two dreadful refereeing decisions to thank for a sixth successive Premier League victory which maintains their charge for the top four. Not that Jose Mourinho cared.

Alexis Sanchez fired Arsenal up to second with a stunning hat-trick in a thumping 5-1 victory at West Ham.

Everton 2 West Ham 0: Romelu Lukaku maintained his record of having scored every time he has played against West Ham — nine and counting — but the Everton victory marked a personal triumph for his midfield team-mate Ross Barkley.

West Ham 2 Chelsea 1: Antonio Conte’s hopes of marking his first season in English football with a meaningful run in the EFL Cup were dashed by West Ham, who notched their most significant win in their new home yet.

Republic of Ireland captain Robbie Keane has signed a new contract with MLS side LA Galaxy.