In this excerpt from the Independent Lens film T-Rex: Her Fight for Gold, Claressa "T-Rex" Shields and her coach Jason Crutchfield reminisce about how she first began as a boxer. Crutchfield first saw Shields box when she was all of 11 years old. Despite his reservations about girls boxing, Crutchfield took Claressa under his wing when he saw how quickly she excelled in the sport.