Banged up OL dooms Giants?

The winless New York Giants are hurting on the offensive line, with Pro Bowl guard Chris Snee placed on season-ending injured reserve this week because of a persistent and serious hip problem. Snee will likely require surgery. In addition, starting center David Baas has been ruled out of Sunday's game against the Philadelphia Eagles with a neck injury. What do the absences mean for the Giants this week and beyond?