<http://schema.org/keywords>
"bill o'brien black monday dennis allen jim schwartz leslie frazier mike munchak mike shanahan nfl nfl black monday nfl coaches rob chudzinski rob chudzinski fired"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/nfl/audibles/2013/12/29/nfl-black-monday-2013-tracker>