Marcelo Bielsa's side claimed all three points against the Saints in a result that saw the West Yorkshire outfit once again climb into the top half of the standings.
Goals from Patrick Bamford, Stuart Dallas and winger Raphinha pushed the Whites to victory in LS11 as Leeds continue to impress on their return to England's elite division.
It was a night of brilliant goals, lovely tributes and a return to winning ways for Bielsa... here are the best pictures from the lens of Yorkshire Evening Post photographer Bruce Rollinson as we look back on a great night for the Whites.
7. Dallas adds a second
A lovely finish with the outside of the boot or a toe poke? We'll let you decide.
11. Raphinha pays tribute
The Brazilian scores and celebrates by unveiling a message for Ronaldinho after the loss of his mother last week.
12. Granny Val tribute
Leeds United pay respects to Kalvin Phillips' "Granny Val" after her untimely passing last week.