Mesut Ozil, who has Turkish roots, was criticised in March after inviting Erdogan to his wedding.
Manchester City could become the first side to ever win a domestic treble in England should they beat Watford in the FA Cup final next weekend.
Chelsea will face London rivals Arsenal in an all-Premier League final in Baku on May 29.
The top four sides at the end of the Premier League season will gain entry into Europe's leading club competition.
Unai Emery insisted his side's Europa League semi-final against Valencia is still "50-50" despite Arsenal taking a 3-1 first leg lead to Spain.
Aaron Ramsey has agreed to make a lucrative switch to Italian champion Juventus when his Arsenal contract expires at the end of the season.
Manchester City moved back ahead of Liverpool to the top of the Premier League with a 1-0 win at Burnley
Manchester City and Liverpool's flawless form contrasts sharply with the struggles of the teams chasing a top-four finish.
It was a missed opportunity after defeats for Tottenham, Arsenal and United at the weekend and Chelsea were booed off at full-time.
Liverpool move two points ahead of Manchester City, who still have a game in hand, at the top.
Alexandre Lacazette's stunning 36th-minute free-kick put Arsenal through to a Europa League final four meeting with Spanish side Valencia.
Arsenal held out for a first clean sheet away from home in the Premier League this season to move ahead of Chelsea on goal difference into fourth.
Arsenal saw off highly-fancied Napoli 2-0 at the Emirates, while Marco Alonso's late header earned Chelsea a hard-fought win at Slavia Prague.
Arsenal remain fourth, but they are ahead of fifth-placed Chelsea only on goal difference as the race to qualify for Champions League heats up.
Shah Rukh Khan posted pictures with Mesut Ozil and his fiancee Amine Gulse.
Arsenal climbed two points above fourth-placed Tottenham and fifth-placed Manchester United to bolster their chance of qualifying for the Champions League.
The Premier League title race is set to go down to the wire and the battle for top-four places is tighter than ever.
Winning the Europa League also offers Arsenal and Chelsea the safety net of Champions League qualification should they fail to make the top four in the Premier League.