The 22-year-old became Jurgen Klopp’s first summer signing after the 18-time English champions concluded a £4.7m deal for the Germany Under-21 shot stopper.
Karius has been handed Liverpool’s number one shirt after putting pen to paper on a five-year deal to become Klopp’s third signing as Reds manager.
The German shot stopper played for Manchester City during his youth career before he made the move to Bundesliga outfit Mainz in 2012.
Liverpool finished in eighth place in the Premier League table and lost 3-1 to reigning champions Sevilla in the Europa League final.
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