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The Giants won their third straight game on Sunday by coming back from a 20-10 deficit in the third quarter.

They pulled that feat off without any help from running back Rashad Jennings. Jennings left the game before the Falcons extended their lead to 10 points and never returned because of a left knee injury. The team called it a sprain during the game, but there will be more tests to see exactly what’s going on.

Bob Glauber of Newsday reports that Jennings will have an MRI on the knee on Monday. Jennings added that he didn’t expect to be out long, although any clean bill of health will have to wait until after the tests.

The Giants didn’t miss Jennings much down the stretch. Rookie Andre Williams bulled his way to 65 yards on 20 carries, including a touchdown, and even caught a pair of passes to keep the Giants offense rolling along.