With giant-killers Sportfreunde Lotte having already knocked out Werder Bremen and Bayer Leverkusen of the German Cup, we question if they can now stun Dortmund.
Match of the Day 2 pundit Dietmar Hamann says Leicester's 3-1 victory over Liverpool shows that the club made the "right decision" to sack manager Claudio Ranieri.
Leicester caretaker boss Craig Shakespeare says the improved display in the win over Liverpool was down to the players being "fired up" by recent criticism.
Cardiff City boss Neil Warnock tells Football Focus about his life as a manager and his ambitions to challenge for Premier League promotion with the Bluebirds.
Southampton manager Claude Puel calls for video technology to be used in football after a goal from forward Manolo Gabbiadini was ruled out for offside.
Manchester United boss Jose Mourinho says he does not beg players to stay but suggests fans should "camp outside of his house" to try and convince Zlatan Ibrahimovic to stay at Old Trafford.
BBC Sport asks if Leicester should re-appoint the man who kept them in the Premier League in 2014/15 or look elsewhere, as they search for Claudio Ranieri's successor.
Stoke manager Mark Hughes describes his side as "not good enough at any level" after a 4-0 Premier League defeat to Tottenham at White Hart Lane following a Harry Kane hat-trick.
Tottenham boss Mauricio Pochettino says Harry Kane is "one of the best strikers in the world" after the forward scored a first-half hat-trick and set up Spurs' fourth goal in a 4-0 win over Stoke.
Daily Mail chief sports writer Oliver Holt says that although he believes Leicester made a mistake sacking Claudio Ranieri, ultimately the "buck stops" with the manager for their poor performances.
Slaven Bilic believes West Ham showed more quality in their 1-1 draw against Watford, a result that sees the Hammers go ninth place in the Premier League table.
West Brom manager Tony Pulis says his side have had a "great season so far" but they "can't be complacent" after they came from behind to inflict a fourth-straight Premier League defeat on struggling Bournemouth.
Chelsea boss Antonio Conte says his side "dominated" their match against Swansea, running out 3-1 winners and extending their lead at the top of the Premier League to 11 points.
Middlesbrough manager Aitor Karanka questions his side's approach to the first-half of their 1-0 Premier League defeat to Crystal Palace at Selhurst Park.
Crystal Palace manager Sam Allardyce believes his side have had "no bigger win this season" than their 1-0 Premier League victory over Middlesbrough at Selhurst Park.
Bournemouth manager Eddie Howe says the Cherries "dominated possession" and he's "disappointed" not to get a point in their 2-1 defeat against West Brom.
Sunderland manager David Moyes says his side's passing in the first half was "terrible", but believes they improved after the break despite eventually losing 2-0 to Everton at Goodison Park.
Swansea manager Paul Clement says his players' confidence has not been damaged by their 3-1 defeat at Chelsea, and believes March's fixtures will be crucial in deciding the club's fate.
BBC Sport asks how Southampton continue to succeed despite constantly losing numerous key figures to other clubs, as they prepare to face Manchester United in the EFL Cup final.
Leicester goalkeeper Kasper Schmeichel says he has "no problem" with former manager Claudio Ranieri despite reports of a player revolt leading to the Italian being sacked by the Premier League champions on Thursday.
Wales and Real Madrid forward Gareth Bale hopes his team's efforts at Euro 2016 will result in a "legacy" that will help the country do well in future tournaments.
From his jovial press conferences to his famous "dilly ding, dilly dong" catchphrase, BBC Sport looks back at what we'll miss from Claudio Ranieri after he was sacked as Leicester manager.
Leicester City caretaker boss Craig Shakespeare denies a player revolt led to the sacking of Claudio Ranieri, saying the Italian "did not lose the dressing room".
Match of the Day host and former Leicester City striker Gary Lineker says the club should have built a statue in honour of former manager Claudio Ranieri rather than sacking him.
Sam Allardyce says he could not let his disappointment of his short reign as England manager end his career, and is now focused on steering Crystal Palace to Premier League safety.
Leicester manager Claudio Ranieri says Jamie Vardy's goal in their 2-1 defeat at Sevilla in the first leg last-16 of the Uefa Champions League could spark a recovery in their form.
Manchester United's Henrikh Mkhitaryan and Michael Carrick are likely to miss Sunday's EFL Cup final against Southampton, says United boss Jose Mourinho.
Tottenham Hotspur manager Mauricio Pochettino says he can tell within 50 seconds if his side are set up correctly as he hunts for the club's first trophy in nine years.
Manchester United's Juan Mata tells Gary Lineker he would love to take over as the presenter of Match of the Day when he retires from playing football.
BBC Sport takes a look at two of the greatest goalkeepers of their generation as FC Porto's Iker Casillas and Juventus' Gianluigi Buffon meet in their Champions League last-16 first leg.
Man City were brilliant going forward against Monaco but their defence is not good enough to conquer Europe, says BBC Radio 5 live pundit Chris Waddle.
Manchester City manager Pep Guardiola believes Monaco are capable of a comeback despite his side winning 5-3 in the first leg of the Champions League last-16 tie.
Theo Walcott scores his 100th goal for Arsenal as he doubles the Gunners' lead in their FA Cup fifth-round tie against non-league Sutton United at Gander Green Lane.
Real Madrid forward Gareth Bale ranks alongside John Charles and Ian Rush as the best players to hail from Wales says former national team captain Ryan Giggs.
Manchester City manager Pep Guardiola fears Monaco's "killer" strikers Radamel Falcao and Valere Germain when the two sides meet in Tuesday's Champions League tie.
Manchester United manager Jose Mourinho says his side had to work hard to beat "brave" Championship strugglers Blackburn 2-1 in the FA Cup fifth round.
Zlatan Ibrahimovic scores a late winner as holders Manchester United booked their place in the FA Cup quarter-finals with a 2-1 victory over Championship side Blackburn Rovers at Ewood Park.
Manchester United striker Marcus Rashford slots home past goalkeeper Jason Steele to cancel out Danny Graham's opener in their FA Cup fifth-round tie against Blackburn Rovers at Ewood Park.
Tottenham's hat-trick hero Harry Kane describes his side's 3-0 FA Cup fifth-round win over Fulham as a "great game" and says Spurs could have scored even more.
Watch the best of the goals from Saturdy's FA Cup action, including a Rudy Gestede volley for Middlesbrough and a cheeky free-kick from Oxford United's Chris Maguire.
Millwall manager Neil Harris says his side took "inspiration" from Lincoln City's historic 1-0 win over Burnley, to achieve an FA Cup shock of their own by beating Leicester City.
10-man Millwall secure a stunning upset with a last-minute winner to beat Premier League champions Leicester City and reach the quarter-finals of the FA Cup.
Ten-man Millwall secure a stunning upset with a last-minute winner to beat Premier League champions Leicester City and reach the quarter-finals of the FA Cup.
Lincoln City manager Danny Cowley says his team have goal-line technology to thank for the Imps' historic victory over Premier League Burnley in the FA Cup fifth round.
Lincoln become the first non-league side in 103 years to reach the FA Cup quarter-finals with a dramatic last-minute win over Premier League Burnley at Turf Moor.
Mark Clemmit is shown around the away dressing room at Sutton United by manager Paul Doswell, which Premier League side Arsenal will be using during their FA Cup fifth-round match on Monday.
TV personality Mark Wright remembers his beloved West Ham suffering FA Cup heartbreak in the 1993-94 campaign when they lost 3-2 against Luton in a sixth-round replay, as part of BBC Sport's No Guts, No Glory campaign.
Huddersfield players Michael Hefele and Elias Kachunga discuss their individual songs chanted by Terriers fans ahead of their FA Cup fifth-round match against Manchester City this weekend.
Oxford manager Michael Appleton tells Trevor Sinclair that it is becoming more difficult for British managers to work in the Premier League due to the 'myth' that foreign coaches are superior.
Blackburn Rovers Ryan Nyambe's talks about his football "dream come true" to play against the team he supports, Manchester United, in the fifth round of the FA Cup on Sunday.
Arsenal manager Arsene Wenger says he will decide on his future at the club in March or April, but will definitely be managing next season whether it is at the Gunners or not.
BBC Sport's David Ornstein assesses the key questions facing Arsenal and Arsene Wenger as they decide on their longest-serving boss' future this summer.
Sutton United manager Paul Doswell jokes with the media that he flew to Munich to watch Arsenal in the Champions League before admitting he had to persuade his wife not to watch Eastenders.
A steward appears to spit at a player before being chased and then tackled by his team-mates after an Argentina Cup match between Central Norte and Talleres de Perico.
Hull fined £20,000 by the Football Association after admitting a misconduct charge for failing to control their players in the Premier League game against Arsenal.
Before Blackburn host Man Utd in the FA Cup, we go back to the mid-1990s when Jack Walker, Kenny Dalglish and Alan Shearer took Rovers to the top at United's expense.
Arsenal boss Arsene Wenger describes the Champions League last 16 first-leg hammering at Bayern Munich as a "nightmare" and admits his side "had no response".
World Cup-winner Carli Lloyd says she is looking forward to the "unique opportunity" in working with some of the world's best players after having signed for Manchester City Women for the WSL Spring Series.
Watch Manchester City Women's new signing Carli Lloyd score an amazing goal from the halfway line to complete her hat-trick in the 2015 Women's World Cup final.
BBC Sport meets striker Matt Smith, who combined studying for a university degree whilst playing non-league football, before a move to League One Oldham saw him face Liverpool and Everton in the 2013 FA Cup.
Manchester City boss Pep Guardiola says he learnt from Arsenal and Liverpool's results at Bournemouth as the Blues come away from the Vitality Stadium with a 2-0 victory.
Burnley boss Sean Dyche says his side are showing signs of "definite progress" after they recovered from conceding an early goal to draw 1-1 at home with Premier League leaders Chelsea.
Former Arsenal player Martin Keown believes it is still "too soon" for Arsene Wenger to leave the Gunners after Ian Wright claimed the Frenchman was "coming to the end".
Manager Jurgen Klopp is delighted by Liverpool's "fantastic" 2-0 win over Tottenham and looks forward to a "perfect Sunday" now his side's winless league run has come to an end.
Dave King says Mark Warburton's "employment" was "terminated" after his agent asked Rangers to waive their right to compensation if a club made an approach.
West Brom boss Tony Pulis praises the referee's performance during his side's 2-2 draw at West Ham, despite opposite number Slaven Bilic's protestations.
Crystal Palace boss Sam Allardyce says his players need to "keep believing" in themselves after Stoke City's second-half winner left his side rooted in the Premier League relegation zone.
Everton boss Ronald Koeman describes his side's clean sheet in the 0-0 draw with Middlesbrough as "really positive" after the stalemate extends their unbeaten league run to eight games.
Manchester United boss Jose Mourinho says his side played "fabulous football" and were "phenomenal" during the first half of their 2-0 victory over Watford.
Middlesbrough boss Aitor Karanka praises his side's performance in their 0-0 draw with Everton and says the stalemate was a "good result" against the in-form Toffees.
Arsenal boss Arsene Wenger is unfazed by recent criticism and says he cannot "influence" public opinion, following his side's 2-0 win over Hull at the Emirates.
Hull City manager Marco Silva says the referee "apologised" at half-time for allowing Alexis Sanchez's opening goal, which appeared to go in off the forward's hand.
Liverpool's Joel Matip says he wants to put a frustrating time behind him, after confusion around the defender's availability during the Africa Cup of Nations, and the Reds' poor form.
Manchester United boss Jose Mourinho is convinced Zlatan Ibrahimovic will stay at the club for another year, despite being out of contract at the end of the season.
Jurgen Klopp jokes that Liverpool's "battery is not empty" after a journalist's dictaphone runs out of power on his desk, as his team prepare to face Tottenham on Saturday.