Borussia Dortmund officials were left stunned by Manchester United's inability to get the best out of Shinji Kagawa and equally so when he was offer back to them for so cheap, reports The Evening Standard.
The Japanese playmaker joined Manchester United in 2012 on the back of a stunning season for Borussia Dortmund in which he won Player of the Year in a title winning campaign. His loss was mourned at the Westfalenstadion.
Having bagged his signature for just £14 million, fans and pundits alike believed Sir Alex Ferguson had made the signing of the summer. Kagawa had been imperious in the Bundesliga and was expected to take up a No.10 role behind Wayne Rooney for the Red Devils.
However, Robin van Persie arrived at Old Trafford and Kagawa was restricted to a bit-part role on the left wing as Rooney slotted into his favoured No.10 position. His Manchester United career faltered almost immediately and he never impressed in the Premier League.
Return to Dortmund
Louis van Gaal took it upon himself to cut the 25-year-old from the Manchester United squad, allowing him to rejoin his former club for just £6.3 million. The move was heralded at Borussia Dortmund as a major coup and 5,000 'Kagawa' shirts were sold on the day after the confirmation.
And it appears Dortmund officials were just as happy to see Kagawa return to the club where he made his name and are reported to be privately stunned at Manchester United's low asking price. They also are incredulous to the fact that Manchester United could not get the best out of Kagawa in the two years he spent there.
Jurgen Klopp is not expected to reward Kagawa his preferred role in the Dortmund squad. Both Marco Reus or Henrikh Mkhitaryan have developed into key players in similar role. Instead Kagawa will be given a deeper playmaker role similar to that of Barcelona veteran Xavi Hernandez.
Kagawa has a chance to show Manchester United exactly what they were missing on September 16 when they entertain Arsenal in the opening Champions League group game.
Dortmund coaches are impressed with Kagawa's seamless transition to Dortmund's tactics in training and expect him to slide back into the first team set up almost immediately.