By Jake Polden Trent Alexander-Arnold has provided a ringing endorsement of Roberto De Zerbi – naming his Brighton side the “toughest” opponent Liverpool faced last season. De Zerbi is favourite to replace Jurgen Klopp in the Anfield hot seat after the German announced he’ll be stepping down as Liverpool manager at the end of the season. Liverpool fans get a closer look at De Zerbi in action this Sunday, with the Reds playing host to Brighton at Anfield. But according to Alexander-Arnold, Klopp’s squad is already a huge fan of the Italian. Explaining why makes Brighton so good under De Zerbi, …