With the Giants? preseason opener just days away, some players have concerns about the first game in their $1.6 billion stadium. The issue is the FieldTurf at the New Meadowlands Stadium. Receiver Domenik Hixon suffered a knee injury in the Giants? only workout on the field during minicamp in June, raising speculation about the surface. He was later waived-injured. The Giants say they re-examined the field and are satisfied there is nothing wrong with it.