Jose Mourinho was impressed with the fitness shown by Diego Costa in Chelsea's 2-2 draw with Swansea. The Spanish striker has been hampered by injuries in the run up to the new season and missed the Community Shield match against Arsenal. However, he got through ninety minutes at Stamford Bridge and Mourinho described it as a great effort from the player. In other news, Chelsea are back in the hunt for Everton defender John Stones. According to the Daily Mail the Blues are set to make a third offer for the England international, this time increasing their bid to £30 million. The Toffee's have already reject two previous bids for Stones, and are said to be holding out for £34 million. And finally, Baba Rahman's move from Augsburg to Chelsea is imminent, according to German publication Bild. The fee is believed to be around 25 million euros.