What did jack Dempsey invent?

Answer 1

Jack Dempsey, the famous American boxer from the early 20th century, is primarily known for his contributions to the sport of boxing rather than for inventing specific products. However, he is often credited with popularizing the "Dempsey Roll," a boxing technique characterized by a series of rapid, powerful punches delivered in a rolling motion. This technique showcased his aggressive fighting style and significantly influenced the sport.