A few months into the Premier League season last autumn, the race for the title looked all but decided. Diego Costa took the league by storm in his debut season for Chelsea. Behind his high-voltage start to the campaign, the Blues looked so good that debates were held over whether or not they would go undefeated. But in the closing weeks of 2014, Chelsea cooled off marginally and defending champion Manchester City took full advantage. They gained ground and finally drew even with Chelsea in the EPL standings. [Read more…]