Just over two months ago, Palace were sat in 19th and the reigning Premier League champions were sitting precariously above the relegation zone in 17th place.
Both clubs have since won five of six Premier League games to all but confirm themselves clear of relegation, with Palace six points (and one game) better off than 18th-placed Swansea City.
One more win for Palace will see them surpass the maximum points total of a team relegated in the past 10 seasons (36) and, lining up against a Foxes side concentrating on the Champions League before and after, it may well be party time at Selhurst Park this weekend.
Scroll down for Standard Sport's comprehensive preview...
Crystal Palace host Leicester City at Selhurst Park with kick-off scheduled for 3pm on Saturday, April 15.
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Crystal Palace will again have Patrick van Aanholt available for selection after he recovered from an ankle injury and will vie for selection with Jeffrey Schlupp.
Sam Allardyce is otherwise expected to make few changes to his in-form team and remains without the injured Scott Dann, Pape Souare, James Tomkins, Fraizer Campbell and Connor Wickham, but Loic Remy is closer to a first-team return.
Provisional squad: Hennessey, Mandanda, Speroni, Ward, Kelly, Delaney, Sakho, Fryers, McArthur, Milivojevic, Ledley, Cabaye, Puncheon, Townsend, Kaikai, Zaha, Sako, Schlupp, Van Aanholt, Lee, C Benteke.
Captain Wes Morgan is out for Leicester as boss Craig Shakespeare tries to save him for the Champions League.
The defender has missed the last five games with a back injury but the Foxes need him available for Tuesday's quarter-final second leg with Atletico Madrid, although he is still rated at just 50-50.
Shakespeare is likely to rest some players ahead of their European clash and Jamie Vardy, Christian Fuchs and Yohan Benalouane could all be kept fresh for Tuesday while Nampalys Mendy has an ankle injury.
Provisional squad: Schmeichel, Hamer, Zieler, Simpson, Huth, Benalouane, Wasilewski, Fuchs, Chilwell, King, Amartey, Drinkwater, Ndidi, Gray, Mahrez, Albrighton, Kapustka, Musa, Okazaki, Vardy, Ulloa, Slimani.
Crystal Palace starting XI: Hennessey; Ward, Kelly, Sakho, Schlupp; Milivojevic, Cabaye; Zaha, Puncheon, Townsend; Benteke
Leicester City starting XI: Schmeichel; Amartey, Benalouane, Ruth, Chilwell; Albrighton, King, Drinkwater, Gray; Slimani, Vardy
BETTING ODDS (via 888 Sport)
- Crystal Palace to win: 77/100
- Leicester City to win: 15/4
- Draw: 11/4
Click here to place a bet. Odds correct as of April 15 at 11am.