Floyd Mayweather and Conor McGregor finally fight at Las Vegas’ T-Mobile Arena on Saturday night.

America’s Mayweather plans to retire after surpassing the great Rocky Marciano and improving his record to 50-0, while McGregor is targeting victory against an all-time great on his professional debut.

Ahead of the weigh-in on Friday evening, Press Association Sport analyses how the two fighters compare.

FLOYD MAYWEATHER

Age: 40

Fights: 49

Wins: 49

KOs: 26

Draws: 0

Losses: 0

Rounds boxed: 387

Height: 5ft 8in

Stance: Orthodox

Reach: 72in / 183cm

Twitter followers: 7.4m

Twitter mentions since June 14: 5.5m

Most retweeted tweet since June 14: 99,000

Reported estimated wealth: £265m

CONOR MCGREGOR

Age: 29

Fights: 0

Wins: 0

KOs: 0

Draws: 0

Losses: 0

Rounds boxed: 0

Height: 5ft 9in

Stance: Southpaw

Reach: 74in / 188cm

Twitter followers: 5.5m

Twitter mentions since June 14: 8m

Most retweeted tweet since June 14: 253,000

Reported estimated wealth: £26.5m