PHOTOS: Extreme Makeover -- Jason's journey

"James" -- Weighing in at 651 pounds, James, a 25-year-old former football player from Fort Worth, Texas, becomes the most obese person trainer and transformation specialist Chris Powell has ever worked with. James must lose 150 pounds to stay on track in the first of his four, three-month phases of weight loss. This episode of "Extreme Makeover: Weight Loss Edition" airs MONDAY, JUNE 20 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/CRAIG SJODIN)
June 27, 2011 9:20:54 AM PDT