Jose Mourinho has returned to Chelsea as a "more mature" manager, at the "best moment" of his career and ready to begin building another Stamford Bridge empire.
A stoppage-time header from Branislav Ivanovic helped Chelsea become the first English club to win all three of UEFA's major trophies as they beat Benfica 2-1 in the Europa League final.
Frank Lampard broke Chelsea's all-time scoring record with two goals as the European champions all but secured a top-four finish in the English Premier League with a 2-1 win in an incident-packed game at Aston Villa.
Brazilian David Luiz scored deep into stoppage time to keep Chelsea on track for a second successive European final after a 2-1 victory at Basel in their Europa League semi-final, first leg match.
Chelsea have reached the Europa League semi-finals despite losing 3-2 at Rubin Kazan as they progressed 5-4 on aggregate following a second-half goal rush on the artificial pitch at the Luzhniki Stadium in Moscow.
Interim Chelsea manager Rafael Benitez will leave the club at the end of the season, the angry Spaniard told a news conference after an FA Cup fifth round win at Middlesbrough.
Chelsea brought a ray of light to a largely miserable December when they reached the Capital One (League) Cup semi-finals after a 5-1 triumph at second tier Leeds United.
Paolo Guerrero poached a 69th-minute winner as South American champions Corinthians ambushed Chelsea to win the Club World Cup, triggering wild celebrations in Yokohama.
Fernando Torres continued his recent resurgence as Chelsea confidently brushed aside Mexico's Monterrey 3-1 to reach the final of the Club World Cup in Japan.
Chelsea midfielder John Obi Mikel has been given a three-match ban and a 60,000 pound fine after admitting a charge of using threatening or abusive language towards referee Mark Clattenburg after a home defeat by Manchester United in October.
A man has been arrested over an allegation that a racist gesture was made to a player during last week's Capital One Cup match between Chelsea and Manchester United, London's Metropolitan police say.
Manchester City's failure to find a big-name signing appeared to matter little as they began the new season with a 3-2 win over 10-man Chelsea in the Community Shield.
Former Chelsea and England winger Joe Cole played a major role in persuading Lille midfielder Eden Hazard to move to Stamford Bridge, the Belgian international says.
Czech Republic goalkeeper Petr Cech has extended his contract with Champions League winners Chelsea until 2016.
Ivory Coast striker Didier Drogba is leaving Chelsea after playing a leading role in their Champions League triumph, according to a report to be published in French magazine France Football on Tuesday.
Chelsea have stunned Bayern Munich to win the Champions League for the first time after a penalty shootout in the Allianz Arena after a tension-soaked final had ended 1-1 after extra time.
Didier Drogba scored late in the first half and Chelsea kept free-scoring Lionel Messi in check to secure a 1-0 win over holders Barcelona in their Champions League semi-final first leg.
Chelsea have reached the FA Cup final for the 11th time with a comprehensive, if controversial, 5-1 thrashing of London rivals Tottenham Hotspur at Wembley.
Frank Lampard became the first midfielder to chalk up 150 Premier League goals but it was not enough to earn Chelsea victory as they were held to a 1-1 draw at west London rivals Fulham.
Chelsea have beaten Benfica 2-1 in their Champions League quarterfinal second leg at Stamford Bridge to seal a 3-1 aggregate victory and set up an eagerly anticipated semifinal with holders Barcelona later this month.