Despite failing to find the back of the net in the Blues 2-2 draw against Swansea City on the opening day of the 2015-16 campaign, the Spanish international clearly felt the need to celebrate his return to fitness in style and he jetted out to Ibiza and partied with the likes of Benny Benassi.
Costa was initially a major doubt for the game at Stamford Bridge after missing the final two games of pre-season with a recurrence of the hamstring injury that disrupted his debut campaign in England, but he was able to last the entire 90 minutes as the Premier League holders dropped points.
While Mourinho gave his whole squad two days off following the disappointing draw, he could be a little disappointed that his star striker decided to travel to Ibiza instead of resting ahead of their crucial fixture against Manchester City at the Etihad Stadium this weekend.
Chelsea appeal Thibaut Courtois’ opening day red card; Blues want goalkeeper available for Manchester City clash
Chelsea close in on highly-rated Bundesliga starlet, according to reliable journalist
10 clubs with most players to score 20+ Premier League goals in a season: Arsenal & Chelsea chasing Man Utd, plus surprise names