The Spain international has quickly emerged as one of the world's deadliest strikers, and will be looking to make Chelsea a formidable force next season.
With stars including Eden Hazard, Willian and Oscar creating chances galore, Costa is sure to fire home the goals at Stamford Bridge.
If you fancy knowing a bit more about the powerful poacher, take a look at our Diego Costa Factfile video!
Diego Costa is on the verge of becoming a Chelsea player[GETTY]
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