Floyd Mayweather's 2011 'cheap shot' KO of Victor Ortiz will always be controversial

Floyd Mayweather’s legacy makes him one of the most integral figures in the history of professional boxing.

Over a career which spanned 21 years, “Money” finished with an undefeated record of 50-0 and fought some of the very best.

His battles with the likes of Canelo Alvarez, Ricky Hatton and Manny Pacquiao are some of the most illustrious on his record, but all of them failed to stop him.

Known for his agility and speed, these legends of the game barely get anywhere near him in the prime of his career.

His final professional fight came against Conor McGregor on August 26 2017 at the T-Mobile Arena, Nevada, defeating “Notorious” in the 10th round by TKO and retired officially after that victory.

In recent years, the American has taken part in exhibition matches with Japanese kick-boxer and mixed martial artist, Tenshin Nasukawa, as well as social media megastar, Logan Paul.

While Mayweather wasn’t really known for his knockout ability, preferring to grind out the majority of his opponents for 12 rounds as they gas themselves out trying to lay a glove on him.

However, one particular knockout victory of Mayweather’s standouts above all others for many different reasons.

In his WBC Welterweight world title fight against Victor Ortiz, a 34-year-old Mayweather produced one of the most brutal knockouts you’ll ever see.

Ortiz was on the wrong side of the barrage in front of a near-capacity crowd at the MGM Grand in Las Vegas, but the way the final blow happened still is a controversial talking point to this day.

Mayweather was evidently frustrated with Ortiz trying to headbutt him in the fourth round, an incident where the referee intervened to administer a verbal warning.

Ortiz then tried to touch gloves, with