The former Tottenham boss took to social media after the 3-0 win over Fiorentina.
Indeed, the north London side beat the Italian outfit to earn themselves a last-16 Europa League tie against Borussia Dortmund.
And Ardiles was impressed that La Viola were so well restricted in front of goal.
He singled Toby Alderweireld out for praise in particular - and it's far from the first time the Argentine has lauded the Belgian on social media.
Fiorentina, 3rd in Italy, did not manage a single proper shot at goal. Impressive for our boys. As always, lots of very accomplished …— osvaldo ardiles (@osvaldooardiles) February 26, 2016
When it came to his man of the match, however, Ardiles picked out another Spurs favourite he has constantly praised over the last few weeks.
Christian Eriksen was his choice, with Ardiles lauding the Dane's willingness to win the ball back for Tottenham - something creative midfielders are not always known for. Under Mauricio Pochettino, though, they are...
POTM: Liked Eriksen very much last night. He won a lot of balls for us. And Immediately counterattack, like the 2nd goal…— osvaldo ardiles (@osvaldooardiles) February 26, 2016
Next up for Tottenham is a Premier League clash against Swansea City. It should be an exciting few months for Spurs regardless of the outcome.