Burnley 0-1 Sheffield Wednesday
Atdhe Nuhiu scored a late penalty as Championship side Sheffield Wednesday knocked Premier League Burnley out of the Capital One Cup.
The Austrian striker rifled home in the 78th minute to settle the second-round tie at Turf Moor after Jason Shackell had upended midfielder Jeremy Helan.
Burnley boss Sean Dyche made seven changes to his team as he searched for a first win of the season.
New signings Matthew Gilks and Stephen Ward both made their Burnley debuts.
Sheffield Wednesday travel to holders Manchester City in the third round.
Wednesday headed into the match unbeaten in four Championship matches this season and having beaten Notts County 3-0 in the previous round of the cup.
Top scorer Nuhiu was dropped to the bench but came on for midfielder Chris Maguire in the 73rd minute as the Owls pushed for victory.
Burnley produced a late flurry but not enough to trouble Wednesday keeper Chris Kirkland.
The Clarets wanted a penalty themselves in injury time when Ashley Barnes went down but nothing was given.
Next up for Burnley in the Premier League will be a home game on Saturday against Manchester United, who also suffered a shock cup defeat, losing 4-0 to MK Dons.
Burnley manager Sean Dyche: "It is alarming we didn't have a penalty. That is an incredible thing, but c'est la vie.
"I am disappointed with the result but the performance - there was a lot of good play. We controlled it and dealt with their long-ball threat.
"It was a nearly performance. If you score the first goal it changes that nearly performance into a very good one."
Sheffield Wednesday manager Stuart Gray: "I don't think it was a smash and grab. I thought we started very well.
"The pleasing thing is we got it right in both boxes. Atdhe scored the penalty but we also defended well in our own box.
"It is a fantastic start. We don't fear anybody. The spirit in the camp is fantastic. I have got a group of players that are giving everything for the cause."