"The right fighter that can punch...you gotta hit Floyd everywhere...he's old...you gotta make him feel old...forget his head...you gotta beat his body down," stated John David Jackson, world-class trainer of unified light heavyweight champion Sergey Kovalev, who shared his thoughts on how to break through the shoulder roll defense of undefeated pound-for-pound king Floyd Mayweather. Check it out!
[ Follow Luis Sandoval on Twitter @Truewest007 ]