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Hagler used to isolate himself at the very tip of Cape Cod (near his hometown Brockton, Massachusetts) in a remote beach hotel. He would wake up at 3 AM every morning and do sprints on the beach at Cape Cod in heavy combat boots- half of it running backwards. Sprints are a great way to build up your endurance and body. Sprinters maximally contract their muscles, which requires a lot more work than a slow, staggered, constant run. Not to mention, your testosterone and hormones are released in greater amounts with short maximal energy bursts. During the winter, it was said to be one of the coldest places on Earth due to the heavy wind. Marvin would actually be screaming due to the pain of the cold and the pain in his legs and lungs. Then he went into "solitary" till six in the evening. At six, he went to the gym they'd set up alongside the pool at a hotel nearby. Your body tends to burn even more calories in the cold, as your energy expenditure increases. Therefore, this could be part of the reason why Hagler was extremely lean. There, they would perform a circuit of jumping rope, heavybag, speedbag, and situps (where they'd do several rounds each), but one strict rule was adhered to: three minutes work, one minute rest, for all of it. This mimics that of a typical boxing match and will get Hagler ready for his matches. After that they would do their sparring routine. Marvin had to have several sparring partners in camp with him because he used them up with such regularity. "Marvin don't ease up on you," said longtime sparring partner and world champion Buster Drayton. There's no play when it comes to Marvelous Marvin; "he comes to work". This is another great way to get him ready for his matches. Marvin would spar with three to four sparring partners, where he went two rounds each before moving on to the next fresh partner. This dramatically improved his conditioning and taught him to remain in great position even while he was tired. Drayton also said that his sparring partners would leave the ring with the insides of their mouths so chewed up from Hagler's blows that they couldn't even eat dinner that night. After that, he would rest, eat, and watch film of himself and his opponents. The workouts were open to the public, so he'd remove his gear, toss a nod to the audience, and return to the self-imposed solitary confinement. Those working with him in camp have said that he wouldn't even socialize, because he wanted to remain so focused on his goals. He stayed in his room, and could be seen frequently sitting alone on his balcony staring out at the Cape water for long periods at a time. Marvin made sure that he worked out 7 days a week and got atleast 100 rounds of sparring in every week, but most importantly, he was always fast asleep by 8 PM to get his 7 hours before his 3 AM run. Source: Ring Magazine article

Hagler needs a movie made about him.

"If I was a weak champion, they would have been on me sooner" So true.

I still can’t believe he’s gone, what a fighter he was, RIP Marvelous Marvin Hagler

Hands down the greatest middleweight and southpaw, He was the definition of "WAR" every fight was a instant classic because of his I will destroy you mentality. Simply the best

I swear watching Hagler move through combinations is like poetry written with the body

“The city of brotherly love , a city to get robbed in then and now “ LOL hilarious

👑Marvin Hagler was hands down one of the greatest middle weights to ever set foot in the ring.👌💯

Loved Marvelous Marvin Hagler! He fought everyone and beat everyone too! In this era, the middleweight division was highly competitive with some of the greatest boxers of all time. Marvin trained very hard and backed everything up in the ring. He was an outstanding fighter and a gentleman too. RIP

You should've spoke at his funeral Hagler is easily top 10 of all time I see you're a true student of the game and you appreciate the art in it's purest form much respect to you keep being great

Reminder that Ray Leonard kept ducking the Hagler fight until Mr. Marvelous slowed down with age, finally agreeing to mete it out

Boxers have it easy these days.. So many different world titles to go for so they can call themselves a champion. Imagine being a contender back then and having to face Marvin Haglar !!

Love Hagler...and everything he embodied as a man and a fighter. Todays middleweights or fighters amongst all weight classes should watch this and be ashamed. RIP legend

There are no words that do justice to this incredible tribute to Marvin Hagler. Off the chart!!!!

Marvin Hagler vs Sugar Ray Leonard was the most iconic fight of all time to me as a kid. It was the epic speed vs power and to this day leaves a changing split decision every time I watch it as an adult with more boxing knowledge. Thank you Hagler for giving me that memory.

Rest In Peace Marvin ♥️🔥

He’ll always be the 🐐to me true king of kings legends never die rip the marvellous one thank you for this upload been waiting for it

Hagler’s 2nd loss was legit. Willie “the Worm” Monroe was a very slick fighter that was very difficult to track down, as his nickname. But the fight was close, and Willie was honorable enough to give him a rematch. And Hagler took the experience and stopped him in the rematch.

Always liked Marvelous Marvin Hagler since I was a kid and I was always hurt when he when he lost to Sugar Ray but still love Marvelous Marvin Hagler

I was little more than a baby when Marvelous Marvin came to England and beat Alan Minter. I continued watching his fights as I grew up (The Beast Mugabe and Hearns were my favourites). I joined a Gym and fought at middleweight. Naturally an Orthodox fighter, I asked to learn (from the very beginning) to fight South Paw, like Marvelous Marvin. I never lost (did not have that many fights, thanks to a 'crook' of a Manager) and am greatful to have been born in an era where fighters and champions fought and not just talked about it. He inspired me to learn to box and become good at it. Marvelous Marvin Hagler the best there ever was and my motivation. RIP

I really appreciate this documentary. Hagler is my all time favorite fighter across all combat sports. He is the greatest middleweight boxer who ever lived. You did him justice with this. Thank you.

Legend. When your work ethic and determination stands out in a sport that includes legends Ali, Marciano, and Pacquiao (just to name a few), you've done everything the right way and then some. Edit: Why does every boxing thread acknowledging someone's greatness turn into an argument about Mayweather? I had Mayweather in mind, I just didn't say him by name. I also had Sugar Ray Robinson, Jack Dempsey, Mike Tyson, Lennox Lewis, Evander Holyfield, etc in mind, if that makes ya feel better

I had the good fortune to meet Marvin about 9 years ago. I was in a cool little restaurant slash bar that a girlfriend of mine ran in aruba. I was sitting at the bar I noticed what looked like Marvin sitting with a woman about 15 feet away from me. My father had taken me to maple leaf gardens to watch Marvin fight sugar it was televised on the big screen at the gardens. Marvin was wearing a tee shirt that said boxing is in my blood. A American look guy walked by me and I stopped him and asked him if he looked like Hagler.he agreed with me and that was enough for me to walk over to Marvin's table and ask him if he was marvelous. He said he was and I told him that I went to that fight with my dad and he asked me to sit down with his wife. He was so humble and so nice I couldn't belive it. We talked for about 10 minutes and it was my 3rd trip to aruba in 3 months and I suggested a great place to eat and he was just amazing to sit down with. He let me take a photo of the two of us and he also let me look and examine his hands omg his hands were insane. I'd also say he was weighing in around I'd say 210 or 220 about my size. At first that was what was hard to recognize him. But it was him and he was in shape he was just a heavy weight when I met him. Rip champ you were so nice to me I'll never forget your heart.

One word to describe this video: legendary.

True champion. True ring general. True human being. R.I.P. CHAMP 👍👏

Just last week I was thinking, "Rhythm Boxing NEEDS to do a video on Marvelous Marvin Hagler". A week later, I got my wish. For me, the Marvelous left us sooner than we would've expected, but not before seeing the best of him in the ring and in life. May the Marvelous Rest In Peace, for all of eternity.

Yes this is one of the best videos about the God of War. Rest in peace brother thank you for being a amazing man !!!😎🥶

All class. I'm from Massachusetts, lived in Brockton, this man is reveered.

Blunt force buck fifty!!!!!!! Greatest description ever!! Excellent job as always

One of the best fighters to have ever lived. Could outbox, out-fight and out-think anybody put in front of him. Thought he was screwed out of the Leonard decision, Sugar Ray stole the last 30 seconds of the rounds to catch the judges eyes. Shame Marvin bowed out like that. A classic era for middleweight boxing. Thanks for the upload. Peace and Love

Brilliant! Hagler versus Hearnes is still one of my all time favourite fights. Hagler definitely won against Leonard, at worst it was a draw.

The way this man speaks made me choke up! 😢

Hagler beat Sugar Ray back in the 80’s don’t care what those damn judges say.And it was the jabba that shorten this great champion life!

I was searching for some Hagler footage a few days ago. Cannot believe the timing of this, brilliant stuff.

Hagler is in my top 10 warriors category man just brought every round every fight no matter who the opponent was

Another classic. I love the line about Hearns life changing right hand. Those Brockton boys had the hardest chins in boxing history. May they both rest in peace.

Absolutely OUTSTANDING video! The content in this one sent chills down my spine and made me shed a tear. Great work Rhythm Boxing!!!!! RIP CHAMP!!!!!!!

And holy hell Vito could take damage, he lost that match but man what a chin and determination.

What a great man, what a legend. What a god of war. Rest In Peace Marvin Hagler

The best of the 4 fantastics. Leonard, Duran, and Hearns. Respectful and a great human being. # 1 in my opinion.

Marvelous Marvin Hagller was an absolute professional. The Power, speed and intelligence of his craft was above so many. KO ability in BOTH hands, ohh the joy. Watching this beast of a fighter was a blessing, so brave and a chin of Titanium. RIP LEGEND 🥊❤🥊🐐

This was Absolutely Awesome, R.I.P. Mr. Hagler. Excellent Storytelling.

My grandpa loved Marvelous Marvin Hagler... I was too fixated on soccer. How I enjoy watching these now. True Champion. Long live Champ

It shows how incredible Ray Leonard was that he managed to even go to a decision nevermind win

Thanks for that tribute to a great fighter and man. I’ve always liked him for his brilliance and humility. 🥊

Marvelous has always been my favorite, got screwed a few times and didn’t have the hype so he took the long hard road. Humanity will miss Mr. Hagler, an old school stoic man and a beacon of grit, hard work, dedication, sacrifice, and concentration.

You and joey Vincent are the GOATS of independent boxing documentaries

I grew up in Brockton, in the next neighborhood over from where Marvin lived in during the mid eighties. I went to school with his son for a short time before they moved again. He often jogged by my house and we saw him regularly. Great guy. R.I.P. MARVELOUS ONE

Boxing is the world's most difficult sport. Especially, when they went 15 rounds.

Goddamn this Voiceover guy is GOATED.....the Alan Minter commentary was brilliant lmaoo

not" one of ", he is "the" greatest of all time

Growing up in Brocton, don't think you could find a better man to represent the city. Wasn't a showboat or bigmouth, he just went to work and never backed down. I can guarantee he held the respect of all his peers. Favorite fighter ive ever seen and feel lucky to watch him fight as i grew up. R.I.P Marvelous One, a true legend...

As a boxing fan, this is just simply MARVELOUS!!!!! Thank U so much for this awesome tribute. I love it. (Solely my personal opinion) RIP CHAMP!!!!!!!

One of my favorite warriors Marvelous Marvin hagler!!

Thank you for this, well done and befitting the legend that is Marvelous Marvin Hagler, my favorite fighter with an all-time chin an iron will and sublime skill, RIP Champ, you were everything a fighter should be.

Another great fighter gone but not forgotten...thank u for making these archives 🍻

My favourite boxer of all time. God Bless you Marvin

Thank you for making this video. I consider myself lucky I witnessed those fights. I live in Boston at Marvin's heyday he was a champ Champs never cheated the fans. Saw his great fights and he certainly beat all of them up. I'm glad he retired with his memory in tack. Oh yeah he beat Sugar Ray BTW.

Hagler was very underrated and that hurt him deeply much love and respect for this guy

Still can`t quite believe he`s gone.

"Marvelous"! That pretty much sums it up! (I watched Hagler, Hearns, Leonard, and Duran all box back in the day.)

21:27 You can litterly see Hagler steaming after his fight. What a powerhouse. Rest in Peace Marvin Hagler, you lived the life of a great man. 🙏🙏

That was amazing and the narrative is next level. Thank you for this.

I got a little choked up at this. As a hobbyist, I idolized him during the few serious years that I competed.

The Dark Emperor Who never got His due..Rest In Your much needed Peace my Champion! Peace deserves You!

The MARVELOUS one, the greatest fighter I ever saw. He beat them all, including Sugar Ray. Great job bringing him the honor he deserves. 🐜

Aww man. Hagler was a different class of boxer. He'd of cleaned up today. What a legend, great loss 💔

I live 20 mins from Brockton n I can tell you him n rocky marciano still have a huge impact on the area RIP marvelous marvin haggler n RIP rocky marciano

Some boxers were so ahead of their time that they could still be champ or at least contenders today and Marvin is definitely one of the all-time greats that could be top 3 if not champ today.

That ending 😢

That crowd at the Minter fight were a disgrace.

Marvin was always robbed, he win that fight against Leonard or minimum it was a draw and the history will probably have a second fight, as the champion he de rave that, Leonard flurries at the end of the rounds give an impression to the judges but a lot didn’t connect. One of the goats and an incredible fighter, no one look like the Marvelous then and now.

He got Robbed... 118-110? Tf🤔 That judge should've gotten his Ass beat.. MARVELOUS MARVIN HAGLER WAS THE BEST IN HIS ERA. 😬 RIP 🙏

The slim reaper. Dope name

I remember all those fights and more, he was a great fighter and a great human being, thanks for the memories.

A hell of a fighter he was, one of my favorite boxers of all time. R.I.P Marvellous Marvin Hagler

I was a kid when he fought but I love him and still curse the fact Sugar Ray was handed the victory due to essentially hoodwinking judges with the flurries

Thank you so much for this video. Man was an absolute badass

through out my teen years my cousins and i would always argue as to who was gonna to be The marvelous Marvin Hagler during his fights. Thank you Marvelous one for the great memories. you taught me a lot about work ethics and dedication.

Wow HELLUVA video!!! Great job once again RB.

Thank you for this 🙏 a guy who doesnt get the credit who deserves but was a titan!!!

RIP still so upsetting to think he’s gone… boxings greatest warrior 🥊

This narrators commentary gets me every time. Hes on point with the analogies.

The narration writing for these videos reminds me of the fighters it covers; solid, consistent workmanship with moments of blinding, and occasionally unorthodox, brilliance.

Thanks again for a quality content always! 🖤🇵🇭

May you dine in the Halls of Valhalla. Where the Heroes live………FOREVER!!!!!!!!!!!!

I'm always up to watch Hagler highlights!! Thx for the upload!!

My hero with so much Heart,Courage,talent and focus of the oldest and biggest sport in the world 🌎

BEAUTIFULLY put together 🤜❤🤛

"The left handed Lion" & "The King of Pressure". My favorite boxer ever. I met him twice Marvelous Marvin Hagler

Man THIS and your GMan documentary more than earned my loyalty. Thanks for the inspiration

Rhythm Boxing you out did yourself with this one. What a moving tribute piece. Marvin Hagler was truly a God Of War. Lovely lovely piece.

The Marvelous One... Rest In Peace Champ!

wow thank you for this what a great video rip marvelous mavin hagler

Just MARVELLOUS R.I.P.

Awesome fighter 🤓 2nd to none !!!! Thanks champ 🏆 for all you done , R.I.P. God bless 🙏 you ....

He was Amazing, rest in peace champ

your documentaries are always so great man

Marvin V Tommy is absolutely my favorite fight of all time! That first round was lights out electric!