Football cards, Tecmo Bowl, and the Nigerian Nightmare: A Chiefs fan's tale
Nigerian Nightmare' Okoye: Chiefs Can Go Back-To-Back At Super Bowl LV - The Tennessee Tribune
The Nigerian Nightmare looks like he's behind CJ Spiller - Arrowhead Pride
Christian Okoye, Booking Agent, Talent Roster
Greatest NFL Nickname of All Time (Round 2) : r/nfl
Gregorian] 'Nigerian Nightmare' Christian Okoye sees a dream realized with NFL Africa initiative : r/nfl
NFL Nicknames - Sports Illustrated
Autographed Christian Okoye Nigerian Nightmare Jersey
Kansas City Chiefs: How good was RB Christian 'The Nigerian Nightmare' Okoye? - Quora
NFL's growth abroad now includes giving Africa a chance, too
Highlights of former Kansas City Chiefs running back Christian Okoye; The Nigerian Nightmare
Why the impact of powerful running back Christian Okoye, the Nigerian Nightmare, is still felt 30 years after his debut - ESPN
Why the impact of powerful running back Christian Okoye, the Nigerian Nightmare, is still felt 30 years after his debut - ESPN