Dortmund's Mario Goetze has suffered with muscular problems in recent months, prompting a comprehensive internal investigation into the possible causes, the club said on Monday.
Two defeats and one last-gasp victory in the group stage meant an embarrassed Germany made their earliest World Cup exit in 80 years on Wednesday.
United are unbeaten in all competitions since Solskjaer replaced Jose Mourinho in December and their improvement is down to the Norwegian's insistence on an attacking style of play, as opposed to the defensive fare served up by his predecessor.
Photos from the Champions League match played between Wolfsburg and Gent on Wednesday
Schalke 04 carried some of their Champions League momentum into the Bundesliga on Sunday, beating Freiburg 2-0 to bounce back after a string of erratic results.
Chelsea finally produced a performance befitting of champions to demolish Newcastle United 5-1.
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Real Madrid coach Zinedine Zidane warned that it was still all to play for in their Champions League last-16 clash against Napoli after the holders strolled to a 3-1 win in the first leg on Wednesday.
Defending champions Bayern Munich survived a shaky second half and missed a late penalty against Arsenal on Tuesday to reach the Champions League quarter-finals.
Manchester City came out on top in an epic Champions League battle against Monaco whereasAtletico Madrid beat hosts Bayer Leverkusen 4-2 in a topsy-turvy encounter.
IMAGES from the Champions League matches played on Wednesday.
Barcelona have been haunted by their recent failures in the Champions League and there are concerning signs for the Catalans as they prepare for Tuesday's last-16 first leg away to Olympique Lyonnais.
Images from the Champions League round of 16 second leg matches played on Tuesday
Giorgio Chiellini's assertion that Tottenham Hotspur 'always miss something to arrive at the end' would have chiselled deep into a nerve for fans of the north London club.
Borussia Dortmund edged past Freiburg 1-0 on Sunday courtesy of captain Sebastian Kehl's first goal in almost two years to go four points clear in second place in the Bundesliga.
Atletico Madrid celebrated like they had won the trophy after reaching the Champions League quarter-finals by edging past PSV Eindhoven 8-7 on penalties on Tuesday following 210 goalless minutes in their last-16 tie.
Bayern Munich are confident they have overcome a mini-slump just in time for their Champions League round of 16 second leg against Juventus on Wednesday as they chase a treble of titles this season.
Be it the jam-packed stadiums at the UEFA Champions League, the intense trans-Tasman rivalry in cricket, there are certain events that enthralls fans. Brendon McCullum blasting into history with the fastest Test hundred in his farewell Test; but that wasn't enough as Australia completed a 2-0 clean sweep of the Kiwis. Rohit Sharma, yet again showing why is considered to be a special talent in limited-overs cricket as India thrashed host Bangladesh in the Asia Cup opener. In Champions League football, Lionel Messi's Barcelona proving too hot for old-rivals Arsenal. Be ready to be amazed as Rediff.com encapsulates all the sporting action from the past week in this super photo feature.
Bayern Munich were left to rue a number of missed chances in their Champions League last 16 first leg against Juventus on Tuesday after the Germans squandered a two-goal lead to draw 2-2 despite dominating for much of the game.
Successive home defeats by leaders Leicester City and second placed Tottenham Hotspur have left City six points off the pace with serious doubts about whether their expensively-assembled squad is still playing for the manager.
'Solskjaer has improved morale by freeing players from the shackles with which Mourinho had bound them.' 'He has made his team a happier bunch of people,' says Suhit K Sen.
Robin van Persie's hat-trick lifted the gloom surrounding Manchester United and manager David Moyes as the English side beat Olympiakos Piraeus 3-0 to overturn a 2-0 first-leg deficit and reach the Champions League quarter-finals on Wednesday.
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Celebration was tinged with disappointment for Manchester City who eased into the Champions League quarter-finals for the first time on Tuesday but lost Vincent Kompany to injury in a 0-0 draw with Dynamo Kiev.
Leicester City's beleaguered manager Claudio Ranieri suggested he is ready to drop some of the players who won them the Premier League title as the Italian seeks to stave off relegation just one season later.
Paris St Germain substitute Edinson Cavani, criticised by French media lacking composure in front of goal, responded in style to earn a 2-1 home win over Chelsea in their Champions League last-16 first leg on Tuesday.
Images from the Champions League matches played on Wednesday
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Juventus staged a superb revival to battle back from two goals down and rescue their Champions League hopes with a 2-2 draw against Bayern Munich in their last 16 first leg on Tuesday.
Photos from the Champions League match played between Real Madrid and AS Roma at the Stadio Olimpico on Wednesday
Following Bayern Munich's brilliant 7-4 (on aggregate) win over FC Porto in the quarter-finals of the Champions League, here's a look at a few memorable come-from-behind victories in Europe's premier football competition.
Barca captain Messi opened the scoring with a "Panenka" penalty chipped straight down the middle in the 17th minute after Luis Suarez was fouled in the area, putting the home side ahead in the tie after a goalless first leg in France.
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Juergen Klopp will leave Borussia Dortmund at the end of the season after a seven-year reign as coach which delivered two Bundesliga titles and a Champions League final.
According to BBC, the manager's future will be decided at season end 'This is 20 years of work here. He's been magnificent for the club. This is a massive low point for him. This brings forward the change that looks likely at the end of the season'
Juventus will be hoping to make it 11 victories out of 11 against French teams in knockout ties when they face AS Monaco in the second leg of their Champions League quarter-final on Wednesday.
This time we're ready for Barca, says Man City's Nasri.
Willian and Lionel Messi scored as Chelsea and Barcelona finished 1-1 after an absorbing first leg of their Champions League last 16 tie on Tuesday, while Bayern Munich, helped by two typical Thomas Mueller goals and two from Robert Lewandowski, romped to a 5-0 home win over Besiktas.
Ten-man Manchester City staged a dramatic comeback with late goals from Leroy Sane and Raheem Sterling securing them a 3-2 win at Schalke 04 in their Champions League Round of 16 first leg.
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