According to the autopsy report, Trayvon had a BMI of 22. You can also see in his pictures that he's not the toothpick the media and his family tries to make him out to be (when they're not pretending he's a little 12yr-old). Trayvon was physically at the prime age and weight to be dangerous, not to mention having a few inches on Zimmerman. Trayvon was also at the age and race of maximum arrogance about physical ability. BMI: Underweight = <18.5 Normal weight = 18.524.9 Overweight = 2529.9 Obesity = BMI of 30 or greater I don't have official numbers for Zimmerman, but he was overweight. Fat, not muscle.