Rocky Balboa is the most famous heavyweight never to throw a real punch. Across six films, Sylvester Stallone's 'Italian Stallion' went from Philadelphia debt collector to world champion, beating Apollo Creed, Clubber Lang and Ivan Drago before bowing out against a reigning champion three decades after his first title shot.

Rocky's record is one of the most quoted numbers in sports cinema, yet it is rarely measured against the men who actually held the heavyweight title. Set against Muhammad Ali, Rocky Marciano, Mike Tyson and the division's modern elite, Balboa's numbers tell a very different story from the one on screen — and land remarkably close to the real fighter who inspired him.

When considering Rocky in the game of boxing, in any era, he'd be seen as a true heavyweight journeyman, likely used as a measuring stick with which to rate the latest up-and-coming contenders. Film is one thing and reality another, but how does one of films's most iconic sporting characters compare to the sport's best?

What is Rocky Balboa's boxing record?

Rocky Balboa's professional record is 57 wins, 23 losses and one draw, with 51 of those wins coming by knockout. The figure appears on the tale of the tape before his final fight against Mason 'The Line' Dixon in Rocky Balboa (2006), a bout he lost by split decision.

The record was never built to survive five sequels. When Rocky arrived in 1976, Stallone envisaged a one-off story, and Balboa was introduced as a journeyman club fighter already carrying 20-plus defeats — exactly the kind of résumé that made a title shot against Creed a public-relations stunt rather than a serious contest.

Then the wins piled up. Rocky beat Creed in the rematch to become champion, strung together a run of title defences, avenged his knockout loss to Lang and travelled to Moscow to stop Drago. His only draw came in a charity exhibition against the wrestler Thunderlips, played by Hulk Hogan, in Rocky III.

Add up the fights and the arithmetic never quite reaches 57-23-1. The tally does not square with what audiences actually see on screen, and the Dixon bout itself is framed in the film as an exhibition. Stallone had the chance to tidy the numbers and chose not to, so that's why there is some contention.

How does Rocky Balboa's boxing record compare to real boxers?

When measured against the true greats, Balboa's 23 defeats are a clear outlier. This is due to his underdog story; he was a slugger and brawler who always had the heart but not necessarily the skill, ensuring he struggled to consistently win fights. In context to the true greats of the heavyweight division: Ali, Marciano, Joe Louis, Larry Holmes and George Foreman lost 19 professional fights between them. Marciano retired unbeaten, Louis lost just three times in 69 bouts, and Holmes won his first 48 fights before tasting defeat.

The modern division paints the same picture. Oleksandr Usyk is unbeaten, while Tyson Fury and Anthony Joshua have six defeats between them. Even Tyson, whose losses include a points defeat to Jake Paul at the age of 58, finished with 16 fewer than Rocky.

His closest real-world match is the man who inspired him. Chuck Wepner, the 'Bayonne Bleeder' from New Jersey, finished his career 35-14-2 with 17 knockouts — a win rate of 68.6 per cent, versus Rocky's 70.4.

Like Balboa, Wepner was a rugged contender with plenty of defeats on his record, having already lost to Sonny Liston, who left him needing 72 stitches, and Foreman, when he was handed a shot at Ali in March 1975. He went in as a 40-1 underdog on a reported $100,000 purse and floored the champion in the ninth round, though Ali insisted Wepner had stepped on his foot.

Strip out the Hollywood ending and the two careers are almost interchangeable: working-class heavyweights, records littered with defeats, and one improbable night against the best in the world. Rocky lasted all 15 rounds with Creed whilst Wepner was stopped with 19 seconds remaining against Ali.