Archie Manning stood nervously in the tunnel leading to the field in Indianapolis during the final minutes of a comeback that would put his middle son in the Super Bowl for the first time. He didn't want the television cameras to see him, didn't want to intrude on the spotlight. He could barely bring himself to watch. The head of football's most famous quarterback family had endured countless losing seasons as a player himself. Now he was just a proud father, peeking around the corner and praying that his son would succeed where he never had the chance. Eli Manning,...