Liverpool were deserved winners of this year's Club World Cup and are one of "the best teams" on the planet, according to Xavi.
The Champions League holders won the global competition after beating Brazilian side Flamengo in the final.
The two sides played out a 0-0 draw in normal time of the clash in Qatar, only for the Reds to seal the trophy through Roberto Firmino's goal nine minutes into extra time.
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Liverpool played just two matches in the competition, having entered at the semi-final stage when they beat Mexican side Monterrey 2-1 thanks to goals from Naby Keita and Firmino
Xavi, who coaches Qatari side and Club World Cup participants Al Sadd, says Jurgen Klopp's team were the strongest of all in the competition, admitting the quality of their squad is too high.