Adrian has hailed Jurgen Klopp for his "extraordinary" achievements at Anfield, while also describing the Liverpool boss as a "top strategist".
Klopp has gradually transformed Liverpool into Champions League winners and genuine Premier League title contenders since arriving on Merseyside in 2015, earning plenty of praise for his attack-minded, high-pressing philosophy the process.
The Reds are now arguably the strongest side in European football, having set unprecedented new standards of excellence in the 2019-20 campaign while also winning the FIFA Club World Cup.
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Klopp's men sit 22 points clear at the top of the Premier League, having won all but one of their 25 fixtures to date - successfully banishing the memory of their narrow defeat to Manchester City in last season's title race.