Who is the most versatile fighter in boxing today?

Loma has lost a grand total of 3 fights in his life

Three losses in a combined 421 fights

One was avenged twice

One of the others was a SD in his second pro fight when he'd never been past five rounds before against an 11lb heavier serial cheat who was allowed to foul the crap out of him all night by one if not the most corrupt refs in the sport and had the ref just deducted one point from them for their in excess of 50 low blows which was a third of their total punch connects the fight would've been a draw. But truth be told they should've had multiple points deducted or been DQ'd

And the other was in his third division against a way bigger and heavier murderous punching extremely physically gifted, athletic, fast and explosive KO artist in a fight most had him losing 7-5

Loma incurred one loss in 421 fights against someone who was about the same size as him and he avenged it x 2, the other two losses, one of which shouldn't be a loss, were against opponents at least two divisions heavier than him

The reason he was able to go on an utterly insane run like that and display such hitherto levels of insane consistency, and is simultaneously one of the best defensive and offensive fighters in the sport, against the level of competition he's faced is because he's freakishly talented and skilled

He made four world class fighters quit in back-to-back fights through nothing but the application of skill and technical wizardry for goodness sake, three of them world champions, two undefeated. Toying with excellent fighters like Walters and Rigo like they were bums. That is unheard of

This is his trophy cabinet

He won every single tournament he entered as an amateur sans one where he came second. Just think about that for a second

One solitary silver medal in an ocean of gold

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He conceded only seven points when he won the gold medal at the 2009 World Amateur Championships despite the fact he broke his hand in the tournament. Just seven freaking points in the whole tournament. The vast majority of amateur greats concede that amount in a single fight.

'Even a broken hand couldn't stop Lomachenko as he won gold at the 2009 World Championships in Milan while compromised. In that tournament, he beat his five opponents by a 56 point margin, outscoring them 63–7.'

Defeated Mario Aleksić (Bosnia and Herzegovina) 16–2
Defeated Craig Evans (Wales) 15–1
Defeated Branimir Stanković (Serbia) 8–2
Defeated Oscar Valdez (Mexico) 12–1
Defeated Sergey Vodopyanov (Russia) 12–1

He schooled Valdez 11-1 with a broken hand and he's the same size as Valdez not way bigger

Vodopyanov was no slouch either because in addition to winning silver that year he had previously won gold at the World Amateur Championships too

At the following World Amateur Championships in 2011 he defeated

Jose Carlos Ramirez (USA)
Robson Conceicao (Brasil)
Fazliddin Gaibnazarov (Uzbekistan)
Domenico Valentino (Italy)
Yasniel Toledo (Cuba)

JCR was a highly decorated American amateur in addition to going on to become a two-belt unified world champ in the pros

Robson Conceicao is an Olympic gold medalist and a World Amateur Championships silver and bronze medalist and should be the current WBC 130 champ after whooping Valdez's ass

Fazliddin Gaibnazarov is an Olympic gold medalist and World Amateur Championships silver medalist

Domenico Valentino is a World Amateur Championships gold, silver, and 3 x bronze medalist and a European silver and bronze medalist

Yasniel Toledo is World Amateur Championships 2 x silver medalist, 1 x bronze and an Olympic bronze medalist

The reason those fighters don't have more Olympic or World Amateur Championships gold, silver or bronze medals is because Loma is the one who beat them in some of their losses in those major championships

And that was up at lightweight where everyone was much naturally bigger than him

'Lomachenko won gold at the 2008 Olympic Games in Beijing and avenged his 2007 World Championship defeat to rival and reigning world champion, Selimov, in the first round. He beat his five opponents by an astonishing 45 point margin, outscoring them 58–13, en route to his first gold medal at the senior level. He was subsequently named the outstanding boxer of the tournament and awarded the Val Barker Trophy. His dominant run was described by one historian as "probably the most impressive streak in Olympic boxing ever."

Additionally, he won gold again that year to also become continental champion at the European Championships in Liverpool, conceding just 4 points against his four opponents

So when you factor in the level of competition he's fought, a staggering 11 world champions in just 18 fights which I can assure you more or way more than virtually all of his peers have in roughly the same amount of fights or way more fights and also unlike them (some of which have never beaten a world champion their own size let alone ones way bigger) he's routinely doing so against bigger or much bigger fighters not ones he's way bigger than, the huge physical advantages he's routinely giving away, his superb plus minus rating despite all of that, and him simultaneously being one of the best offensive and defensive fighters in the sport, again despite the quality of his opposition and the huge physical advantages he's routinely giving away, if he's not versatile it only makes everything he's achieved amateur and pro that much more impressive