He played for the Boston Bruins, New York Rangers and Montreal Canadiens. He would retire after the 1955 season. Three times during his career, he finished in the top six in league scoring. Ronty started out in Junior "B" with the Toronto Chewies Aces in 1944-45. THe next season he joined the Boston Olympics. In 1951, he was traded to the New York Rangers where he continued to put up solid numbers as the feed man for Wally Hergesheimer. Ronty played in 488 NHL games, with 101 goals and 211 assists.