Don Patterson said the Red Cross sweater he wore didn’t just keep him warm, it saved his life. During a firefight in World War II, shrapnel from an enemy bomb ripped into his body. Patterson credits the tightly knitted wool with clotting blood from his wound and the actions of another stranger who pulled him off the battlefield. (Originally aired February 20, 2015) More Service and Sacrifice stories, here: https://www.wbir.com/service-and-sacrifice Subscribe to WBIR for exclusive content: https://www.youtube.com/c/WBIR10 WBIR Channel 10 in Knoxville, Tennessee produces award-winning, community-centered content "Straight From The Heart" of East Tennessee. We strive to be good citizens, to do what is right, and to be fair and honest. We care. Follow WBIR on Social: Facebook: https://www.facebook.com/WBIRChannel10 Twitter: https://twitter.com/wbir Instagram: https://www.instagram.com/wbirchannel10/