Other members of the team included Nándor Hidegkuti, Ferenc Puskás, Zoltán Czibor, Sándor Kocsis and József Bozsik.
In 1949 when Hungary became a communist state, MTK were taken over by the secret police, the ÁVH and the club subsequently changed their name several times.
Despite this turmoil, the 1950s proved a successful era for club and under coach Márton Bukovi and with a team that also included Nándor Hidegkuti, Péter Palotás and József Zakariás, MTK and Lantos won three Hungarian League titles, a Hungarian Cup and a Mitropa Cup.
Lantos, scoring three goals, including two penalties, helped the club reach the quarter-finals.
During the World Cup finals he played all five games for Hungary, scoring in the opening 9–0 win against South Korea and in the bruising Battle of Berne quarter-final encounter against Brazil.