The John Madden bust might tell stories of his remarkable coaching career. His strategies, the big games he won, and the players he mentored could all be part of the stories. It could also tell about his influence on the sport, like how he changed the way football was coached and analyzed.
Well, start with basic shapes and proportions. Sketch the outline of the hoodie first, paying attention to the folds and creases. Then add details like zippers and pockets.