The Whites have two games of their 2020/21 campaign left to go, and look set to secure a top-half finish after a stellar return to top tier football this season.
Speaking ahead of tonight's match, Saints boss Ralph Hasenhuttl reflected on Leeds' success this season, and said: “It is not that surprising, to be honest. I know how it feels to be promoted and have a good first season in the big league, I had it with Ingolstadt and I had it with Leipzig.
“The team is always super motivated, the players, it's a completely new experience when they get the chance to finally compete with the big ones. That carries you beyond those tired moments, past the tough moments.
“Leeds have had a few games where they have struggled this season but they have shown that, especially against the big sides, they can show very good performances.
“This was surprising, that they could compete like that against the strong sides in the league. They haven't lost a lot over the last weeks so they are getting better and better.”
Meanwhile, down in the Championship, it was a disappointing evening for Barnsley last night, who suffered a 1-0 home defeat to Swansea City in their play-off semi-final first-leg at Oakwell.
Here are today's biggest transfer stories and the latest team news involving Leeds United, Barnsley and a number of other sides from Yorkshire and beyond, as the reaction to the weekend's action continues:

5. Blues released host of players
Jon Toral, Dan Crowley and Ryan Burke are among 11 players to be released by Birmingham City following the end of the Championship season. The Blues finished the season in 18th place, nine points clear of the relegation zone. (BBC Sport) Photo: Michael Regan

6. Bradley could join Ipswich
League One outfit Ipswich Town are rumoured to be readying an offer for Luton Town's Sonny Bradley. They've been tipped to lure the Hatters skipper on a more lucrative salary than could be offered by Preston or Bristol City. (The 72) Photo: Nathan Stirk

7. Forest join Akpom race
Nottingham Forest are believed to have joined the race to sign Middlesbrough striker Chuba Akpom. The 25-year-old is expected to leave the Riverside Stadium this summer, after an underwhelming debut season with Neil Warnock's side (Nottingham Post) Photo: Jacques Feeney

8. Hatters want Ince again next season
Luton Town are said to be hopeful of bringing Stoke City's £10m winger Tom Ince back to Kenilworth Road on loan again next season. The ex-Liverpool starlet has just one year left on his current Potters deal. (Football League World) Photo: Julian Finney