Substitute Ki sung-Yueng drove in an extra-time winner to take the Premier Leagues bottom club Sunderland into the League Cup semi-finals with a dramatic 2-1 victory over Chelsea on Tuesday.
Ki smashed home in the 118th minute after being teed up by Fabio Borini,who had come off the bench to force extra time with an 88th-minute equaliser.
In the nights other quarter-final,Edin Dzeko scored twice as free-scoring Manchester City booked their place in the semi-finals with a 3-1 win at second-tier Leicester City.
Chelsea,third in the Premier League,looked on course to reach the last four after taking the lead when goalline technology adjudged that a combination of Frank Lampard and Sunderlands Lee Cattermole had bundled a cross over the line.
But they were pegged back two minutes from time when on-loan Borini steered an expert finish past two Chelsea defenders on the line from a tight angle. The hosts then laid siege to the Chelsea goal and were rewarded two minutes from time when Ki smashed home a low drive to send the home crowd wild.
In Spain,Neymar scored his sixth goal in seven days to cap Barcelonas 3-0 win over Cartagena on Tuesday as it advanced in the Copa del Rey on a 7-1 aggregate score.
With the round-of-32 matchup practically decided after Barcelonas 4-1 victory in the first leg,the match lacked pace at the start and Cartagenas Diego Segura almost snatched a goal for the third-division side when he curled a free kick off the upright in the 28th minute.
But three minutes later Pedro Rodriguez scored his third goal of the series before Cristian Tellos deflected shot sneaked inside the post in the 68th.
Neymar rose over his marker to head home Andres Iniestas cross in the 88th and record his first goal in the competition. The Brazil striker scored a hat trick against Celtic last week and he netted twice against Villarreal on Saturday.
In the Club World Cup,Bayern sauntered into the final with a 3-0 victory over Chinese club Guangzhou Evergrande to with from Franck Ribery,Mario Mandzukic and Mario Goetze