Angel Rangel and Stephen Dobbie scored in the second half to give Swansea a morale-boosting 2-0 win over a strong Celtic side as they stepped up their Barclays Premier League preparations.
Leroy Lita made his Swansea bow off the bench while fellow new boys Danny Graham and Steven Caulker were handed home debuts from the start against a Celtic side which included the likes of Scott Brown and Gary Hooper.
The Swans' first came after defender Rangel coolly volleyed home after Dominic Cervi failed to deal with a low shot, before Dobbie's controlled shot capped an encouraging night for Brendan Rodgers' side.
Lightning forced a dramatic ten-minute stoppage in the second half as Norwich drew 1-1 with Real Zaragoza.
Man United defender Ritchie De Laet, on loan at the Canaries, opened the scoring after 15 minutes with a close-range header.
Braulio equalised for the La Liga side moments before half-time when Norwich failed to deal with a corner and the striker rifled in to level the score.
Carrow Road was plunged into darkness as two floodlights stopped working in the second half, with play delayed for ten minutes before play resumed but neither side could find a winner.
Aston Villa failed to match the achievements of their Premier League rivals as they went down 2-0 away at Derby.
Steve Davies kept his composure from the penalty spot to fire the Rams in front 12 minutes into the second half.
Ben Davies then grabbed the second goal of the game on 77 minutes to put a smile on Nigel Clough's face.