Carling Cup review:Arsene Wenger survived a mighty scare as James Collins's early header gave League Two Shrewsbury the lead at the Emirates Stadium before Arsenal recovered to book their place in the Carling Cup fourth round.
Just when Wenger must have thought things could not get any worse in a nightmare start to the Gunners' new campaign, Collins pounced to head home a superb 16th-minute cross from Marvin Morgan.
But the youthful Gunners hit back through Kieran Gibbs' 33rd-minute equaliser and second-half goals from Alex Oxlade-Chamberlain - on his full debut - and Yossi Benayoun wrapped up a 3-1 win.
Michael Owen marked his first start of the season with a first-half double as Manchester Unitedmade light of a traditionally hostile environment at Elland Road to ease past Simon Grayson's Leeds United3-0.
Owen scuffed home a 15th-minute opener before adding a stunning second just past the half-hour mark. Ryan Giggs ended the contest on the stroke of half-time when he blazed into the box to fire home.
Alex McLeish will not win the Carling Cup for a second successive year as his Aston Villaside were knocked out 2-0 at home to Bolton Wanderers.
McLeish led Villa's rivals Birmingham to the trophy last season but second-half goals from Chris Eagles and on-loan Gael Kakuta earned the Trotters some respite from their recent Barclays Premier League struggles.
League One strugglers Leyton Orientput up a brave fight against Steve Kean's Blackburn Roversat Ewood Park but were undone by a brace of late goals from Ruben Rochina and Simon Vukcevic.
The visitors, without a win so far this season, had grabbed a 64th-minute equaliser through David Mooney after Rovers had gone ahead one minute before the break through a Jason Roberts penalty.
But Rovers pressed on in the second half with the promising Rochina side-footing his side back in the lead in the 71st minute and Vukcevic making it 3-1 four minutes later.
Dean Cox netted a late consolation for Orient.
Mick McCarthy's Wolvesscored twice in the first 10 minutes en route to hammering Championship Millwall5-0 with goals from David Edwards, Adam Hammill, George Elokobi, James Spray and Adlene Guedioura.
Championship table-toppers Middlesbroughwere undone by goals from Wilfried Zaha and Calvin Andrew as Crystal Palacewon 2-1 at Selhurst Park. Merouane Zemmama replied for Boro.
Burnleynudged past League One promotional hopefuls Milton Keynes Donsat Turf Moor. Daniel Powell put the visitors ahead after six minutes before Kieran Trippier equalised and Andre Amougou grabbed the winner one minutes from time.
League Two Aldershotcaused a minor upset with a 2-1 home win over League One Rochdale. Ashley Grimes put Dale ahead but second-half strikes from Michael Rankine and Danny Hylton won it for the Shots.
Fabio Coloccini's header in the dying seconds of extra-time earned Newcastlea thrilling 4-3 victory over Steve McClaren's struggling Nottingham Forestat the City Ground.
Forest had twice battled back from behind with first Robbie Findley then Matt Derbyshire cancelling out two Peter Lovenkrands strikes, the second a penalty just past the hour mark.
Newcastle regained the lead when a cross from Danny Simpson sailed into the net three minutes into the extra period, but Marcus Tudgay appeared to have forced penalties until Coloccini's intervention.
Goalkeeper Thomas Sorensen was Stoke's hero as his diving save to deny Massimo Luongo gave his side a thrilling 7-6 penalty shoot-out win over Tottenhamafter a goalless draw at the Britannia Stadium.
Peter Crouch started on the bench against his old club but played his part in the Potters' triumph by scoring his side's fifth penalty, after Stoke's Jermaine Pennant and Spurs' Roman Pavlyuchenko had missed earlier.