Jürgen Klopp anticipates a step up in intensity for Liverpool when they tackle his former club FSV Mainz 05 on Friday evening.
The Reds got their pre-season match programme under way on Tuesday with back-to-back 1-1 draws in half-hour contests against Wacker Innsbruck and VfB Stuttgart.
Next up in Austria is a 90-minute fixture versus Bundesliga side Mainz, a team with whom Klopp retains a special bond following his lengthy spells as both player and manager.
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