A tense, hard-fought final against Copa Libertadores winners, and Brazilian champions, Flamengo went to extra-time at Khalifa International Stadium and was eventually settled by Roberto Firmino’s 99th-minute strike.
The victory represented a new addition to the Reds’ honours collection – their 47th major trophy – and means they will possess the FIFA Champions Badge for the next year.
“To be world champions is incredible,” Firmino, who is the first man to score in a Club World Cup final for Liverpool, told FIFA.com.
“It’s a unique feeling.