The New York Giants' injury-plagued defense may be missing its captain on Sunday. Defensive end Justin Tuck's availability for the season-opener against the Washington Redskins is up in the air due to a lingering neck injury. He is officially listed as questionable for the game. Tuck participated in individual drills during the session open to the media and did not appear to be limited by his lingering neck ailment. "I'm hopeful," Tuck said. "We'll see what happens." Read more: http://espn.go.com/new-york/nfl/sto...ck-questionable-new-york-giants-season-opener