On Tuesday night, Reading and a youthful Arsenal side played out one of the most incredible games I've ever seen. After 37 minutes it looked as though Reading were about to cause a shock as they went 4-0 up with goals from Jason Roberts, Laurent Koscielny (og), Mikele Leigertwood and Noel Hunt. Just before half time Theo Walcott pulled one back and just minutes after being introduced, Olivier Giroud, brought it back to 4-2. In the dying moments it seemed as though Reading would be able to hold on but goals from Koscielny and a second from Walcott in the 95th minute brought the game into extra time. Arsenal seemed to be in complete control when Marouane Chamakh put them 5-4 up but the drama wasn't to end there. Pavel Pogrebnyak came off the bench to bring Reading level at 5-5 but Arsenal weren't to be denied. In injury time of extra time, Walcott got his third and Chamakh lobbed the keeper for his second and give Arsenal a sensational 7-5 win and a place in the quarter final.
In Tuesday's other games, League 1 Swindon were denied an upset as they entertained Aston Villa at the County Ground. Villa took the lead through Christian Benteke after 30 minutes and Gabby Agbonlahor doubled the lead ten minutes later. Swindon were the better side after the break and were deservedly level when Miles Storey scored twice in the space of three minutes. They were on the verge of extra time before Benteke scored an injury time winner to send Villa through. Premier League side Southampton were knocked out of the cup by Championships side Leeds United. Leeds were the better side from start to finish and were fully deserving of their 3-0 win. Goals from Michael Tonge, El Hadji Diouf and Luciano Becchio were enough to send Leeds into the quarter finals.
Bradford City caused the biggest upset of the night when they knocked out Premier League side Wigan Athletic. It was a drab affair as neither side showed any quality in the final third and it took penalties to separate the sides as they finished 0-0 after 120 minutes and when Jordi Gomez had his penalty saved by keeper Matt Duke, Bradford had caused a major upset winning 4-2 on penalties. Middlesbrough also booked their spot in the last eight with a 1-0 win over Sunderland. Scott MacDonald scored the goal to send the Championship team through at the expense of Martin O'Neill's Premier League outfit.
Stamford Bridge was the venue for yet another crazy game on Wednesday night as Chelsea and Manchester United played their second game at the Bridge in four days. After Sundays drama, both sides could have been forgiven for not producing excitement tonight but both sides went all out for victory and it made for a thrilling night of football. United three times went in front three times through Ryan Giggs, Javier Hernandez and Nani but Chelsea three times found equalisers with goals from Gary Cahill, David Luiz (pen) and a 92nd minute penalty from Eden Hazard. In extra time Daniel Sturridge and Ramires scored to put Chelsea 5-3 ahead before Ryan Giggs scored a 120th minute penalty to add drama to the tie but Chelsea hung on for the win. It was a strong performance from an young, inexperienced United side but the class of Chelsea's stars proved decisive as Hazard, Mata and Oscar took control in extra time.
Norwich caused an upset at Carrow Road as they came from behind to beat Tottenham by two goals to one. Gareth Bale had put Spurs ahead after 66 minutes but an own goal from substitute Jan Vertonghen had Norwich level after 84 minutes before Simeon Jackson scored the decisive goal just three minutes from time to send the Canaries into the quarter final. It was an unhappy reunion with Swansea for Brendan Rodgers as his Liverpool side were beaten at home. Swansea were ahead after 34 minutes when Chico headed home from close range and they doubled their lead on 72 minutes when Nathan Dyer slotted home. Luis Suarez pulled one back for the reds but it was Swansea who pushed on and they grabbed the insurance goal in injury time through Jonathan de Guzman. Swansea were deserving of their 3-1 win as Liverpool failed to impress.