Their paths to Ukraine really could not have been more different, but here they are and they are preparing to do battle against each other for the first time.
Klopp is yet to win silverware with Liverpool, but Saturday's decider in Kiev will be his third since taking over.
'When they told me about the problems they had I thought 'OK, yeah, I am probably the really right manager for that club.
He suggested other clubs interested in his services were too focused on aspects outside of what he liked.
The Liverpool legend was a proud socialist and acutely aware of societal issues outside of football - just as he fully appreciated the importance of football to working class communities.
"I love the history".
'It is a football club. It sounded like marketing, image, you need to sign this, and you need to sign that.
"I see great togetherness, I think about how well they have done, from the first day of pre-season how well they have worked - they all deserve to be in this position to play in a Champions League final", Henderson told Liverpoolfc.com, after being asked what he sees when he looks around the Reds' dressing room.
"It's all part of football, but it cannot be the number one, two, three, four, priority".
It's hard to deny that Klopp has been a success at Anfield, steering them to the Champions League final this weekend, and back to being regulars in the top four of the Premier League. "First of all please try to improve the game we play".
"I'm sure there will be new players coming in the summer as well, which they will be coming into a very good group of players, and hopefully they can strengthen us to win trophies".
Klopp signed a six-year contract extension in 2016 as he secured his long-term future at the Merseyside club.
The Reds boss has always maintained he is not looking to emulate Sir Alex Ferguson or Arsene Wenger in the longevity of their managerial careers.