 He is the brother of Max Abegglen and Jean Abegglen, both players of the Swiss national team.In France, with Sochaux, he was the league champion in 1935 and 1938, and was the top goalscorer of the 1935 tournament, with 30 goals in 28 appearances.Abbeglen played in the 1934 FIFA World Cup, scoring one goal, and in the 1938 FIFA World Cup, where he scored a hat-trick in the first round replay match against Germany, won by Switzerland 4–2.