The match was called off a day before the fixture after Spurs manager Antonio Conte said eight players and five members of staff had tested positive for COVID-19.
Chelsea FC made a loss despite a rise in revenue as they finished fourth in the Premier League and won the Europa Conference League in the 2024-25 season.
The 23-year-old Palmer's two assists in five minutes during the second half turned the match around for Premier League club Chelsea and his efforts saw him named Player of the Match.
Nottingham Forest, who finished seventh in the Premier League last season, will replace Palace in the Europa League.
Sunderland defeated Newcastle United 2-1 with a late goal from Brian Brobbey, while Nottingham Forest secured a 3-0 victory over Tottenham Hotspur in Premier League action.
Liverpool will take on LASK, Union Saint-Gilloise and Toulouse in the Europa League group stage while debutants Brighton & Hove Albion will face Ajax Amsterdam and Olympique de Marseille following the draw on Friday.
The other semi-final will see an Italian side, Milan or Roma, come up against Bayer Leverkusen or West Ham.
Liverpool draw Sparta Prague in Europa League last 16
Rennes denied late Europa League equaliser due to little-known rule
In the third-tier Europa Conference League, English Premier League club Leicester City will face Danish side Randers and Scottish club Celtic will take on Norwegian champions Bodo/Glimt in the knockout playoff round.
IMAGES from the Europa League matches played on Thursday.
Mouth-watering matches lined up as PSG to face Bayern and Barcelona in Champions League opening stage.
Action from Europa League matches played on Thursday.
While there are suggestions that Ruben Amorim's comments at Sunday's press conference triggered his axing, the verdict was clear given his under-performance in the hot seat.
The win leaves United in 15th place in the Europa League standings on six points from four games.
Sevilla maintained their incredible record in the competition after an otherwise difficult season.
IMAGES from Europa League matches played on Thursday.
Jose Mourinho's side top Group G with a maximum nine points, three clear of second-placed Slavia.
IMAGES from the UEFA Champions League matches played on Tuesday
IMAGES from the Europa League matches played on Thursday.
IMAGES from the Europa League matches played on Thursday
Summary of the Europa League semi-final matches played on Thursday.
Napoli kept alive their hopes of advancing from Group C after Lorenzo Insigne, Victor Osimhen and Matteo Politano secured a 3-0 home win over Legia Warsaw.
Qarabag had chances, Tural Baymarov missing from the penalty spot just before the hour mark and Junior hitting the woodwork, but Spurs stayed in control of the match.
Sevilla will bid for a record-extending seventh Europa League title when they face AS Roma in the final in Budapest on May 31, after Jose Mourinho's side drew 0-0 at Bayer Leverkusen to secure a 1-0 aggregate victory in their semi-final.
The teams finished level at 3-3 on aggregate in the tie but the Lisbon club advanced to the quarter-finals after Adan kept out Martinelli's weak effort.
Manchester United kicked off their Europa League campaign poorly, losing 0-1 at home to Real Sociedad, while Arsenal's new signing Marquinhos scored in a 2-1 win at FC Zurich on Thursday.
Roma have taken just four points from their last five league matches, and were eliminated from the Coppa Italia last week in a 1-0 defeat to rivals Lazio.
Atalanta beat Bayer Leverkusen 3-0 in the Europa League final
'I did my best on the field and off the field, and by winning the Europa League, I thought I'd done everything I could and achieved.'
Manchester City and Chelsea both secured their Champions League places with victories on the final day of the English Premier League season and Newcastle United joined them despite stumbling to a last-day defeat.
A round-up of Saturday's action the Bundesliga, Ligue 1
Crystal Palace beat Premier League champions Liverpool 3-2 on penalties to win the Community Shield after an entertaining 2-2 draw at Wembley on Sunday.
IMAGES from the Europa League semifinal matches played on Thursday.
Manchester City celebrated their Premier League title on Sunday, beating Chelsea 1-0 with an early goal by Julian Alvarez in the team's home finale at a sun-drenched Etihad Stadium.
West Ham United have condemned the behaviour of some of their fans after Fiorentina's Cristiano Biraghi was hit by a cup during the Europa Conference League final.
After a tense encounter finished 1-1 following extra time, Villareal's Rulli stepped up after every on-field player scored their spot kicks and he comfortably beat Spaniard De Gea
However, there was a softening in tone over eventual cases where league seasons may be cancelled -- an outcome UEFA had been quick to oppose.
Betis's Chimy Avila hit the post with an acrobatic volley one minute later and both teams wasted several chances for the winner late on.
Son Heung-min said he is "here to win" after he joined Los Angeles FC for a record Major League Soccer transfer fee, ending a decade-long stint at Tottenham Hotspur.