Former Denver Broncos and Michigan running back Rob Lytle died on Saturday night a heart attack. He was 56. According to a statement from Memorial Hospital in Fremont, Ohio, Lytle was brought to the hospital by ambulance on Saturday night with heart-attack symptoms. While at the hospital, Lytle went into massive cardiac arrest and died. Lytle was a vice president and business development officer at Old Fort Banking Co., according to The News-Messenger of Fremont. An All-American at Michigan, Lytle was drafted by the Broncos in the second round of the 1977 NFL draft. He scored the Broncos' only touchdown in Denver's 27-10 loss to the Dallas Cowboys in Super Bowl XII. Read more: http://sports.espn.go.com/nfl/news/story?id=5834879