Original sentence: During his career in the National Hockey League (NHL), he played left wing for the Detroit Red Wings, Los Angeles Kings, Dallas Stars and New York Rangers, gaining recognition for his agitating playing style and controversial behaviour both on and off the ice
Edited sentence: During his career in the National Hockey League (NHL), he played left wing for the Detroit Red Wings, Los Angeles Kings, Dallas Stars and New York Rangers, gaining recognition for his agitating playing style and unethical behaviour both on and off the ice