(Reuters) – England forward Raheem Sterling has joined Chelsea on a five-year contract from Manchester City, the two Premier League clubs announced on Wednesday. The deal is worth up to 50 million pounds ($59.60 million), according to British media reports. “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,” Sterling told the club website. “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 …