Can admitted that he didn't know Liverpool's plans for him in the future, and refused to commit his future to the Merseyside club.
If that happens, Liverpool will inevitably be criticised for allowing a multi-million pound asset to walk away for nothing, but other than cashing in on the player against Klopp's wishes last summer it's hard to see how the club could have handled this much differently.
The two midfielders are being lauded as Germany's top emerging talent who are expected to continue the Bayer Leverkusen mass exodus at a knockdown price.
The Bradford native is set to referee his 51st Liverpool game on Saturday, the most of any side, with their record when he is in charge now standing at 22 wins, 13 draws and 15 losses.
The Reds take on their bitter rivals at Anfield in their first game back after the October worldwide break, looking to address their poor run of form.
There's only a handful of players that have played for Liverpool and Manchester United. "He's two years into this job that looked to be flawless for Jurgen Klopp".
The good news for the Reds boss is that flying wingers Sadio Mane and Mohamed Salah will have almost a full week to prepare for the game with United.
With games against Manchester United and Tottenham Hotspur to come next, along with some crunch games in the Champions League, Jurgen Klopp and Liverpool face a potentially season-defining period even at this early stage of their campaign. The Scot has good experience of playing in the the Premier League, so it shouldn't be an acclimation issue.
Indeed, with Claudio Marchisio and Sami Khedira struggling with a spate of injuries in the last two seasons, Can will not only bolster the Juventus manager's options but also potentially be a long-term option.
Forced to return to Liverpool, the 25-year-old has kept his frustrations in check so far, scoring three times in his past three appearances, including a long-range rocket at Newcastle last weekend.
"It will leave many Liverpool fans misty-eyed for a time when they ruled football at home and overseas". Mourinho can also point to the success of peripheral players like Ashley Young when they have been called upon.
"The Premier League is just a really cool league, the most interesting in the world, but you must always respect other big clubs and leagues", Can added.
Liverpool will officially unveil the newly named Kenny Dalglish Stand at their match with Manchester United next week, the club said on Friday.