Jack Hunt featured in Rotherham United's 2-1 win over Reading in late April, playing the full 90 minutes of the victory, before returning to Palace this week. Kwesi Appiah watched on as an unused substitute for Reading in that match, but started and scored in their next game - a 3-0 win against Derby County.
The Ghana international was also awarded the Man of the Match award during his final game for the Royals, returning to Palace after the win.
Algerian midfielder Adlene Guedioura returned from his loan spell with Watford, having helped the Hornets secure automatic promotion to the Premier League before departing.
The Eagles man was impressive during his period with the Championship side, scoring once and providing four assists in his 11 league appearances. He is now back in training with the Palace first team.
Likewise, Barry Bannan has returned from his loan spell with Bolton Wanderers, having featured in the Trotters' back-to-back defeats to Bournemouth and Birmingham City.
Young forward Sullay Kaikai has returned from his loan spell at Cambridge United and went straight into the Eagles' Development squad on Tuesday afternoon, scoring after coming on as a substitute in the 3-5 defeat. He played the full 90 minutes for the U's in their previous game, a 3-2 defeat at home to Burton Albion.
Ezekiel Fryers was an unused substitute in Ipswich Town's 3-2 defeat to Blackburn Rovers, whilst Lewis Price watched on from the Crawley Town bench in their 2-1 defeat at home to Coventry, which saw the Red Devils relegated to League Two.
Peter Ramage's loan spell at Barnsley also came to an end, as did Jerome Binnom-Williams' at Southend United.