A scintillating final that was settled on penalties saw Licha and La Albiceleste reign supreme over a France side that was represented by his United team-mate Raphael Varane.
Now back with the Reds and in contention to return against Bournemouth this evening (3 January), Martinez reflects on the sensation of winning the World Cup in an exclusive interview with club media.
“To be honest, it’s a unique feeling,” he told us on his return to the club.
“There is joy. I want to enjoy every second because being a world champion is the ultimate in football.