Owen Garvan helped former Eagles' boss Ian Holloway and his Millwall side avoid the drop into League One by playing all 90 minutes in their victory against Bournemouth on Saturday.
Martyn Woolford's goal 29 minutes into the game was enough to seal the victory that secured their Championship status for another season, helped by the Irish midfielder's 13 appearances for the Bermondsey-based side after his temporary switch in March.
He has now returned to the club along with a host of other Eagles stars who have been plying their trade elsewhere now their seasons have come to a close. There was a narrow escape for Stephen Dobbie's Blackpool side, who despite losing 3-0 at home to Charlton Athletic remained in the second tier due to results going their way elsewhere.
The midfielder made 27 appearances for the Seasiders since joining them on loan in September, scoring two crucial goals in the final weeks of the season which helped the Tangerines avoid relegation.
However there was bad news for Jack Hunt and Peter Ramage's Barnsley who ended a miserable campaign by losing 3-2 to Queens Park Rangers, having already been relegated the previous week. The Geordie defender returned from injury to play his 25th game for the Tykes, whilst Hunt made 11 before suffering a hamstring injury last month.
Jonny Williams couldn't quite help Ipswich Town sneak into the play-off places despite beating Sheffield Wednesday 2-1 on the final day of the season. The Welshman played for 63 minutes before being substituted in his 13th game for the Tractor Boys, and also scooped their Goal of the Season prize at their Awards Night with his only strike during his time in Suffolk against Derby County in March.
In League One Alex Wynter helped Colchester United beat Walsall by a single goal to survive the drop by six points. The defender has impressed in his six outings for the Us, scoring a goal in last week's victory against Brentford.
In the division below Lewis Price kept a clean sheet in Mansfield Town's 1-0 win over Bristol Rovers which condemned the Gas to life in the Conference, and Kwesi Appiah signed off his stint at AFC Wimbledon by netting a last-minute goal in their 3-2 defeat to Accrington Stanley. He netted three goals in seven games at Kingsmeadow, taking his total to 13 in 31 games during his other loan stints at Cambridge United and Notts County.
Over in Germany Jose Campana sat out Nuremberg's 2-0 defeat to Hannover 96, which sees them guaranteed to finish in the bottom three. They currently occupy an automatic relegation spot but could clinch a relegation play-off place if they beat Schalke in their final match of the season. The Spanish under-20 star has made 10 appearances in the Bundesliga, scoring once.