Making the Champions League final last season, Jurgen Klopp will be hoping his Liverpool side can go one further this season and lift the trophy.
An injury to main man Mohamed Salah put the Anfield outfit in a difficult position for their Champions League final last season, and they were unable to prevent Real Madrid from winning their third straight Champions League.
Liverpool looked a truly dangerous side going forward in the Champions League last season. Containing Mohamed Salah, Sadio Mane and Roberto Firmino is a tough task for any defence across Europe.
The key for Jurgen Klopp is to tighten up his defence. There is no doubt they are one of, if not the most, potent attacking forces in Europe. However, they often relied on out-scoring teams rather than keeping it tight at the back. This was very much highlighted in the Champions League semi-final against AS Roma, which the Reds won 7-6 on aggregate.
With that in mind, here are the two key Liverpool players who need to really perform if they are going to win the Champions League.
Virgil Van Dijk
The centre-back will be vital to Liverpool if they are to win the Champions League. He has made a big impact on the club since his arrival at Anfield, but he will have to really step up and patrol the Liverpool back-line.
The Dutch 6ft 4 centre-back has real physical qualities as well as being a good ball-player.
This is the key area Liverpool needed to strengthen. In the final last year, German stopper Loris Karius made two serious errors. There were rumours Loris Karius was playing with concussion, but he is simply not the quality of goalkeeper needed to win the Champions League.
This year, former AS Roma keeper Alisson, who joined for £66.8m, could be the difference. He is comfortable playing out from the back, and is a very competent shot stopper.
Jurgen Klopp identified the weakness and spent what was necessary for an upgrade between the sticks. If Alisson delivers on the expectation on his shoulders, Liverpool are certainly in with a good chance of lifting the trophy.