He was the captain and team-coach alongside Octav Luchide, under the management of Costel Rădulescu of the first Romanian side to participate in a FIFA World Cup.

[3] In club football, Wezter played for Juventus București (who were Romanian national champions in the 1929–1930 season),[4] as such he was a colleague of squad members Vogl and Ladislau Raffinsky.

When BSK brought Wetzer along another Romanian, Dezideriu Laki, to its team in 1924, they became the first foreign professionals to play in Serbia.

[8] During the 1930 FIFA World Cup Wetzer became Romania's team captain and team-coach alongside Octav Luchide, under the management of Costel Rădulescu.

In 1958, during a purge by the ruling national party against "revisionism and bourgeois ideology, indiscipline and descriptive anarchic elements" Wetzer became subject to an order forbidding him from "leaving the collective in which he was engaged without good reason, under penalty of being expelled from the trainers' corps.