Sterling becomes first signing of Chelsea's new era

England international Raheem Sterling on Wednesday became Chelsea's first signing since Todd Boehly's consortium bought the club, ending his successful spell at Manchester City.

The 27-year-old forward signed a five year contract for a fee reported to be £50 million ($59 million).

"England star Raheem Sterling has joined Chelsea from Manchester City on a five-year contract," said the buying club in a statement on their website.

Sterling had pre-empted his move earlier on Wednesday by posting a goodbye message on social media saying he left City as a "man" having arrived from Liverpool as a 20-year-old.

However, once the signing became official Sterling -- who is with Chelsea on their pre-season tour of the United States -- turned his attention to what he hopes to achieve under Thomas Tuchel.

"I've obviously achieved a lot in my career so far, but there is still so much more to achieve and I'm really looking forward to doing that in a Chelsea shirt, under Thomas's management," he said in a statement.

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"London is my home and where it all started for me, and it's amazing I now have the opportunity to play in front of friends and family week in, week out at Stamford Bridge."

Sterling, capped 77 times, won four Premier League titles among nine major trophies since joining City from Liverpool in 2015.

A key player in the early years of Pep Guardiola's reign at City, Sterling scored 131 goals in 337 appearances for the English champions.

However, his regular place in the starting line-up at City came increasingly under threat from the signing of Jack Grealish for a Premier League record £100 million last year, plus the emergence of Phil Foden from the club's academy.