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Just Fontaine stands as the only player to have scored more goals than Kocsis in a single World Cup. During the 1958 tournament, Fontaine netted an astonishing 13 goals, surpassing Kocsis's record of 11 goals set in 1954. Fontaine's remarkable feat remains unmatched in the history of the World Cup, solidifying his status as one of the most prolific goalscorers in the competition's annals.