Three Florida teens who stopped to help change a man’s tire on the side of the road ended up saving his life after he started having a heart attack without a phone to call for help. The trio of high school students — Brody Murray, 17; Logan Royer, 16; and Cody Magrone,16 — were dining at a McDonald’s on April 19 when they noticed Diego Fernandez-Delgado changing his tire and decided to help, according to the Broward County Sheriff’s Office. Three Florida teens who stopped to help change a man’s tire on the side of the road wound up saving his life after he started having a heart attack. Broward Sheriff's Office Fernandez-Delgado, 65, suddenly appeared unwell in the middle of changing the tire and asked the teens to call an ambulance, Magrone said in a video posted by police on social media. Royer promptly called 911 to help Fernandez-Delgado, who appeared “very tired, very pale” and started experiencing chest pains. “There’s an old guy on the side of the road.…