Jennifer Sullivan unexpectedly lost her father when he had a heart attack six months before her wedding. Being a die hard UM fan and a former employee in the athletic department she asked Sebastian to walk her down the aisle with her father's nickname on his jersey, Big Walt. She said, "I knew that I would be thinking about him the entire time." The tribute couldn't have been more appropriate. Time to break out the tissues! To see this loving video for yourself WATCH BELOW!