Pacquiao's trainer Buboy Fernandez hits his ward's stomach repeatedly with a Thai stick to strengthen his abs.
George Foreman ran pulling a truck behind him.
Ali also shadowboxed underwater.
Sonny Liston skipped-rope to the tune of Night Train, a jazz tune used by stripteasers.
Old school boxers chopped trees and firewood.
Tyson used a swinging sand bag to practice his head movement.
Rocky Balboa crawled in the snow pulling his wife, Paulie and trainer Duke Evers on a sled, hahaha...
Rigondeaux trained to move in the sand, according to Pedro Diaz it strengthened his legs and helped him take Donaire's punches.
Golovkin trains wrestling to help his core strength.
Apparently Floyd spars with no rounds every once in a while till one quits
Ray Robinson drinks some type of animal blood before fights, though that's not a training method
Tim Bradley has some weird methods. He does like a push up using his chin instead of his hands and he jumps on one of those small trampolines holding dumbbells and wearing ankle weights.
The Marvelous One went into isolation for 3 months before a fight. He called it "going to Jail".
Homicide Hank used kill people on the street in fights to the death.
Juan Manuel Marquez drinks his own urine.
damn armando said what i wanted to say lol
Example, Joe Louis used to row, Rocky Marciano used to punch underwater, Marvin Hagler ran half of his roadwork backwards. Any more different training techniques that fighters have used?