Flag on Praying Muslim Player Was an Error, the N.F.L. Says - The New York Times
Who is Husain Abdullah? Chief's players penalized for end-zone prayer - ABC7 New York
Ex NFL Kansas City Chiefs' Husain Abdullah quits after suffering FIVE concussions
NFL Ref Penalizes Chiefs Player for 'Excessive' Muslim Prayer 'Celebration'
Kansas City Chiefs Camp Guide by NPG Newspapers - Issuu
Chiefs sign a free agent! Husain Abdullah back with 2-year contract - Arrowhead Pride
Kansas City's Arrowhead Stadium: 50 years of Chiefs and more
Husain Abdullah - Wikipedia
NFL apologizes to Muslim Husain Abdullah who was penalized for praying
Who is Husain Abdullah? Chief's players penalized for end-zone prayer - 6abc Philadelphia
Husain Abdullah, back in Kansas City, eyes larger role with Chiefs in 2014 - Arrowhead Pride
NFL Says Kansas City Chiefs Player Shouldn't Have Been Penalized for Prayer - ABC News