Floyd Mayweather Jr. is renowned for his exceptional defensive skills, ring intelligence, and adaptability, often referred to as one of the greatest defensive boxers in history.

He comes from a boxing family; his father, Floyd Mayweather Sr., was a former welterweight contender, and his uncles, Roger and Jeff Mayweather, were professional boxers.

Mayweather's early life was marked by challenges, including his mother's struggles with substance abuse and his father's incarceration, which influenced his dedication to boxing.

Throughout his career, Mayweather was known for his business acumen, often promoting his own fights and negotiating lucrative deals, contributing to his status as one of the highest-earning athletes globally.

After retiring from professional boxing, Mayweather has participated in several exhibition matches and continues to be involved in the sport through his promotional company, Mayweather Promotions.

WBC Junior Lightweight Champion (1998-2001)

WBC Lightweight Champion (2002-2005)

The Ring Lightweight Champion (2002-2005)

WBC Junior Welterweight Champion (2005-2006)

IBF Welterweight Champion (2006)

WBC Welterweight Champion (2006-2009)

The Ring Welterweight Champion (2006-2009)

WBA (Super) Welterweight Champion (2014-2015)

WBO Welterweight Champion (2015)

WBA (Super) Junior Middleweight Champion (2012-2013)

WBC Junior Middleweight Champion (2013)

Retired with an undefeated professional record of 50-0.

Won 15 major world championships across five weight classes.

Two-time winner of The Ring magazine's Fighter of the Year award (1998, 2007).

Three-time winner of the Boxing Writers Association of America (BWAA) Fighter of the Year award (2007, 2013, 2015).

Six-time winner of the Best Fighter ESPY Award (2007, 2008, 2010, 2012, 2013, 2014).

Ranked by BoxRec as one of the greatest pound-for-pound fighters of all time.

Vs. Genaro Hernández (October 3, 1998): Won by TKO in the 8th round to claim the WBC Junior Lightweight title, marking his first world championship victory.

Vs. Diego Corrales (January 20, 2001): Won by TKO in the 10th round, defending his WBC Junior Lightweight title in a dominant performance.

Vs. José Luis Castillo I (April 20, 2002): Won by unanimous decision to capture The Ring and WBC World Lightweight titles in a closely contested bout.

Vs. Arturo Gatti (June 25, 2005): Won by TKO in the 6th round, securing the WBC Junior Welterweight title with a commanding display.

Vs. Carlos Baldomir (November 4, 2006): Won by unanimous decision to capture The Ring and WBC World Welterweight titles.

Vs. Oscar De La Hoya (May 5, 2007): Won by split decision to claim the WBC Junior Middleweight title, elevating his status as a boxing superstar.

Vs. Ricky Hatton (December 8, 2007): Won by TKO in the 10th round, defending his WBC Welterweight title against the previously undefeated Hatton.

Vs. Juan Manuel Márquez (September 19, 2009): Won by unanimous decision in his return from a brief retirement, showcasing his defensive prowess.

Vs. Shane Mosley (May 1, 2010): Won by unanimous decision, demonstrating resilience after facing early adversity in the fight.

Vs. Miguel Cotto (May 5, 2012): Won by unanimous decision to capture the WBA (Super) Junior Middleweight title in a competitive bout.

Vs. Robert Guerrero (May 4, 2013): Won by unanimous to retain WBC and win The Ring World Welterweight titles.

Vs. Canelo Álvarez (September 14, 2013): Won by majority decision, securing the WBC and The Ring Light Middleweight titles in a masterful performance.

Vs. Manny Pacquiao (May 2, 2015): Won by unanimous decision in a highly anticipated bout, unifying the WBA (Super), WBC, and WBO Welterweight titles.

Vs. Conor McGregor (August 26, 2017): Won by TKO in the 10th round, achieving his 50th professional victory and surpassing Rocky Marciano's record.