Liverpool take a step into the unknown on Tuesday night when they play Maribor for the first time in their history.
The Slovenians will be the 127th different side Liverpool have faced in European competition.
But who are Maribor? This is the fifth time they have faced English opponents and will be looking to add to their sole success, which came against Wigan in the Europa League in 2013-14.
Here Sportsmail takes a look at what will be in store for Jurgen Klopp and company...
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
So, who are Maribor and how did they get to this stage?