Ravens nose tackle Haloti Ngata left Sunday's game against the Bengals in the first quarter after suffering a left knee sprain. He limped off the field under his own power and was taken to the locker room for further evaluation. Source: CBS Sports SteveRobWhatever's Take: Ngata was off to a strong start today with three tackles, including a solo stop where he slammed Cincinnati Bengals rookie running back Giovani Bernard to the ground to hold him to one yard.