The Brazilian playmaker returned from a two-game suspension at the weekend and scored twice in a 5-1 drubbing of Real Betis.
Chelsea celebrated their title and captain John Terry's last game at Stamford Bridge with a 5-1 defeat of relegated Sunderland on Sunday , bringing their season's Premier League win tally to a record 30 games.
Chelsea defender Antonio Rudiger says "racism has won" and that he had been made a "scapegoat" after Tottenham Hotspur and London police said they found no evidence to back his allegation he was abused during the English Premier League match in December. Rudiger was involved in an incident in which Tottenham's Son Heung-min was shown a red card and indicated shortly afterwards that he had been the victim of a monkey gesture from the home section of the crowd.
Best images from sporting events held across the globe in the last week.
IMAGES from the Premier League matches played across England on Sunday.
IMAGES from the English Premier League matches played on Sunday
Mauricio Pochettino has left his job as Chelsea manager by mutual consent, the Premier League side announced on Tuesday.
Images from the Premier League matches played on Sunday.
On the final day of matches in the English Premier League, Chelsea, who finished the season with 87 points after beating Sunderland 3-1 at Stamford Bridge on Sunday, lifted the trophy on Sunday.
IMAGES from the Premier League matches played on Tuesday.
Images from the English Premier League matches played on Sunday night.
Chelsea manager Antonio Conte indicated that striker Diego Costa will stay at the club, despite a series of reports in the Spanish media linking him with a return to Atletico Madrid.
New Chelsea manager Mauricio Pochettino underlined the challenges that engulfed Enzo Fernandez, Mykhailo Mudryk and Raheem Sterling in the last season but said he will help the trio.
Chelsea have signed Spain World Cup striker Diego Costa from Atletico Madrid, the Stamford Bridge club said in a statement on Tuesday.
Chelsea's interim manager Frank Lampard provided an update on the injured players, stating Reece James and Mason Mount will miss the rest of the season.
Chelsea's Guus Hiddink believed his side could qualify for next season's Champions League with a top-four finish but he has now virtually written off their chances.
Chelsea have bolstered their attacking options by signing France forward Loic Remy from Premier League rivals Queens Park Rangers on a four-year deal, the 2012 European champions announced on Sunday.
Brazil defender David Luiz is overjoyed to be back for a second spell at Chelsea after leaving Paris St Germain on transfer deadline day. The 29-year-old, who quit Stamford Bridge for Paris two years ago, has returned for a fee that media reports put at 34 million pounds ($45.09 million). Luiz won the Champions League, Europa League and FA Cup in his three years at Chelsea after joining from Benfica in 2011.
Chelsea, playing with a swagger missing for much of the season, routed Aston Villa 8-0 on Sunday.
Following is a match by match look at the English Premier League's weekend fixtures:
Sergio Aguero was acclaimed as "the best striker in the Premier League" by manager Manuel Pellegrini after his hat-trick helped Manchester City beat Chelsea 3-0 at Stamford Bridge on Saturday.
Chelsea scored a second successive win over a newly-promoted side when they beat Leicester City 2-0 at Stamford Bridge on Saturday thanks to second-half goals from Diego Costa and Eden Hazard.
Chelsea have left the door open for John Terry to stay at Stamford Bridge after the central defender announced that he is leaving when his contract expires at the end of the season. The Premier League champions said he could be offered the chance to stay at Stamford Bridge following a meeting with the club last month. "In that meeting he asked about the possibility of an extension to his existing contract," Chelsea said in a statement. "John was advised that while no new deal was currently on the table, that situation could change in the coming months." Chelsea said they had the utmost respect for Terry and everything he has helped them achieve, describing him as a "fantastic servant and superb captain".
Diego Costa left the Stamford Bridge pitch to exultant cheers after a hat-trick against Swansea City on Saturday highlighted a breathless start to a Chelsea career for a team that has been designed around him.
Coin-throwing fans marred the FA Cup for the second consecutive day on Sunday with Chelsea supporters under fire after an incident during their 5-1 defeat of Manchester City on Sunday.
An underwhelming Chelsea boosted their chances of a spot in next season's Champions League, overcoming a slow start to beat relegated Norwich City 1-0 at Stamford Bridge on Tuesday. Olivier Giroud scored with virtually the last touch of the first half as Chelsea consolidated third place in the Premier League and moved four points above Leicester City and Manchester United in the battle for a top-four finish.
Manchester City sent Chelsea crashing to a 4-2 defeat to end their 37-match unbeaten record at Stamford Bridge and dent their Premier League title hopes on Saturday. The leaders, beaten at home for the first time in all competitions since November 2008, finished with nine men after having Juliano Belletti and Michael Ballack sent off late in the second half.
Dutchman Guus Hiddink was named as Premier League champions Chelsea's interim manager for a second time on Saturday following the sacking of Jose Mourinho, the club said in a statement.
Super substitute Demba Ba slide home Chelsea's second goal to secure a semi-final place.
Chelsea lost 4-2 at home to Manchester City and Arsenal closed within three points of the Premier League leaders with a 3-1 win at Stoke City marred by a horrific leg injury to Aaron Ramsey Saturday. City scored a memorable victory at Stamford Bridge where the drama started before kickoff with a first meeting between former Chelsea team mates John Terry and Wayne Bridge since news broke of Terry's alleged affair with Bridge's former girlfriend.
Manchester United climb into sixth place with 3-0 West Ham win
Former Barcelona midfielder Andres Iniesta celebrated the 11th anniversary of his famous Champions League semi-final strike against Chelsea by calling two children conceived after his tie-clinching goal. Nine months later, those celebrations had a rather unexpected result, with maternity hospitals in Barcelona telling local media they were struggling to cope with demand amid a spike in the city's birth rate.
Manchester City clinched a 1-0 victory at Tottenham Hotspur, while Chelsea were held to a 0-0 draw at home by Aston Villa.
Spaniard Herrera finished off a fine move with a precise header from Pogba's cross just past the half-hour and United's French midfielder scored himself when he nodded powerfully home from a Marcus Rashford delivery before the break.
John Terry has recovered from an ankle injury and will be available for Chelsea's home clash with Manchester United on Sunday, manager Antonio Conte said on Friday.
Only one point separates the two sides with Chelsea on 31 and City on 30 but Antonio Conte's impact at Stamford Bridge appears greater than his City counterpart Pep Guardiola's at the Etihad.
Manchester City forward Raheem Sterling believes newspapers are helping 'fuel racism' and 'aggressive behaviour' with their portrayal of young black players.
Chelsea manager Antonio Conte is uncertain about the future of Diego Costa, as Spanish media reports have linked the striker with a possible return to Atletico Madrid. The 27-year-old, who joined the London club from Atletico in 2014, did not feature in Chelsea's 3-2 defeat by Real Madrid in a pre-season friendly on Saturday due to a back injury. The Spain international scored 12 times last season as the club finished 10th in the Premier League, with British media reports also linking Everton striker Romelu Lukaku with a potential move back to Stamford Bridge.
The 36-year-old player, whose career has been chequered by controversy, spent last season at Petrolul Ploieti, a top-flight Romanian club.
Chelsea have re-signed Ivory Coast striker Didier Drogba on a one-year contract, the Premier League club said on Friday.