a bit off topic but since people have brought in athletes from other sports HERSCHEL WALKER how many people do u know who built up a frame like that by doing bodyweight excercises and to reply to an earlier posts saying that you need to be more in shape to play football than box is criminal. Football requires little more than the need for a slight ability to be able to recuperate in the 30 seconds between each play. Boxing is much harder because it taxes the aerobic system as well.