NJ.com | How to build a sports superstar in 2015: The engineering of 15-year-old Josh ... NJ.com He is 15 years old, 5-foot-9 and 185 pounds of cartoonish muscles on top of muscles. He had six-pack abs when he was 6. Today, he bench-presses one-and-a-half times his body weight and can leap from a standing position to the top of a car. He averages ... |