With the Jets playing their preseason home opener tonight against the Jacksonville Jaguars, what are you going to be watching for in tonight's game? What players will you keep your eyes on? Which depth spots are most worth your note? Will you keep your eye on Dee Milliner? Will you be watching the backups on the offensive line? How does Chris Ivory look in his first action? Do the receivers continue their ascension? How are the interior linebackers and safeties meshing? Can Mark Sanchez keep it together?