'He called me and said he came from a doctor, he told me: 'your goalkeeper had a concussion'.
Klopp has already splashed out big money on the signing of Fabinho from Monaco while Naby Keita has also completed his move from RB Leipzig but the Reds boss has suggested he's still working hard on further new recruits as he looks to make Liverpool genuine title contenders next season.
Instead, it was left to James Milner, Ryan Kent and Danny Ings to join Sturridge on the scoresheet after half-time in the Reds' polished start to pre-season.
"You can see this team is offensively really skilled and you need a few serious people in the team to keep it together and I like how he is doing that while still being involved offensively". I think I've come back more mature.
"He was influenced by that knock, that is 100%". The Reds, who already have new signings Naby Keita and Fabinho with them, are ready for the upcoming campaign and are set to stick with the same goalkeepers as a year ago.
Karius, who was diagnosed as suffering from concussion by two American doctors days after the final as a result of an elbow from Real hardman Sergio Ramos, is likely to start in goal for the Premier League side in a pre-season friendly with Chester City on Saturday.More news: England overcomes themselves to beat Colombia on penalties
Jurgen Klopp is very excited about his new acquisitions, but he's also explained why it'll take Fabinho longer to settle in at Liverpool than Keita.
Although a quintet of their stars are still involved in the World Cup, Liverpool reported back for pre-season on Monday, with new signings Fabinho and Naby Keita joining those uninvolved in global duty this summer.
'I'm not sure if I should have expected something different but it was nice, absolutely nice, ' he said following Liverpool's win.
When I was doing the medical exams I couldn't stop asking people 'When does it finally become official?' You don't sign for one of the biggest clubs in the world every day you know! "Is he capable of parking that up, moving on and drawing from the experience", he said.
"I needed a few days, to be honest, to accept the fact and deal with the situation [of losing the final]".
"Of course, they then have to do a lot of fitness work in the United States of America and we will see when they can play or whatever".