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The Giants’ injury woes keep getting worse.

The team announced today that a whopping five players are being placed on injured reserve: offensive linemen Geoff Schwartz (ankle) and Adam Snyder (knee), defensive ends Mathias Kiwanuka (knee) and Robert Ayers (pectoral), and linebacker Terrell Manning (ankle) are all finished for the season.

The Giants now have a grand total of 20 players on injured reserve.

To fill those holes on their active roster, the Giants have signed running back Chris Ogbonnaya and called up three players from the practice squad: guard Eric Herman, defensive tackle Dominique Hamilton and linebacker James Davidson. The Giants can only add four players to their active roster, rather than five, because Manning was just signed last week off the Bengals’ practice squad, and under NFL rules he can’t be replaced on the 53-man roster for three weeks after being signed from another team’s practice squad.