Baltimore Ravens trade defensive tackle Haloti Ngata to Detroit Lions, NFL
Ravens' Haloti Ngata suspended for four games - The Boston Globe
Ravens' Haloti Ngata suspended 4-games for PED violation - The Phinsider
2021 Baltimore Ravens Media Guide by Baltimore Ravens - Issuu
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Haloti Ngata Returning to Retire as a Raven
University of Oregon 2011 BCS Media Guide - GoDucks.com
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