The long snapper is perhaps the most overlooked and underappreciated position in football. He spends a great deal of his career bent over a football, with a guy either kneeling seven yards behind him or standing back at 15 yards. In a sense, the long snapper has one job--to go unnoticed. If he is noticed, it probably means he's flubbed a snap--and for a long snapper, a single mistake can mean instant unemployment. In Upside Down Football: An...