Haaland watched the encounter from the stand after being sidelined by an injury prior to the last international break.
The striker showed no signs of split loyalties as his brace guided Manchester City to a 3-1 win at Elland Road.
Lukaku is struggling with a hamstring injury, having only recently returned from two months on the sidelines.
Manchester City defeated Super Eagles defender Joe Aribo and his Saints side 4-0 to move top of the league table
The winner will be announced during the 2022-23 Champions League group stage draw ceremony in Istanbul on August 25.
The PFA Award is determined through votes cast by both present and former players.
With 15 goals and seven assists this season, De Bruyne won majority votes to beat Salah and other nominated players.
Pep Guardiola’s men took another step towards a fourth title in five seasons, stretching their lead over Liverpool.
Sadio Mane saved the day for Liverpool with a priceless second-half equaliser in a gripping 2-2 draw with leaders Manchester City on Sunday.
Manchester City will go into next week’s clash with Liverpool with a one-point lead.
