The uppercut (formerly known as the undercut; sometimes also referred to as the upper) is a punch used in boxing that travels along a vertical line at the opponent's chin or solar plexus. It is, along with the cross, one of the two main punches that count in the statistics as "power punches".

Uppercuts are useful when thrown at close range, because they are considered to cause more damage. Additionally, it is likely that a boxer would miss if the uppercut is thrown when the opponents are apart. Uppercuts usually do more damage when landed to the chin, but they can also cause damage when thrown to the body (particularly the solar plexus) or when landing on the nose or eyes.

When performing an uppercut, the attacker should stay close to the target, so as to prevent the opponent from detecting that the punch is coming, and countering with a straight punch.

Samuel Elias, also known as "Dutch Sam" (Samuel Elias 4 April 1775 in Petticoat Lane, London – 3 July 1816), is credited with creating this punch originally called an "undercut". It was reported that "Dutch Sam created havoc with the new blow until a new way was found to block it". Boxers famous for their uppercuts include Lennox Lewis, Joe Louis, Wilfredo Gómez, Julio César Chávez, Sonny Liston, George Foreman, Mike Tyson, Rubén Olivares, and Sandy Saddler.

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