Pál Lágler started playing football relatively late, at the age of 21 in the colors of Váci Reménység in 1934, and then in the same year he moved to Budapest, where he played in the Magyar Pamut SC. He soon became a member of the amateur national team and took part in the Berlin Olympics, where the Hungarian team was eliminated from the tournament after a defeat from Poland.
After the Olympics, he received a professional contract from Újpest, where he did not get a place in the first team, and in order not to come out of the game, he moved to Kispest in 1937. He was injured there, and at the end of the season he moved to France, where he played one season in the II. Division with FC Calais.
He returned to Hungary in 1939 and after regaining his amateur status and played for Testvériség SE. In 1940, he changed his family name to Lovas.