Assertion: quarterback's player | /r/ObjectUse | used as situational fullbacks
Facets:
value: frequently
type: TEMPORAL
Source sentences:
text: Players who have been frequently used as situational fullbacks include Haloti Ngata, Dontari Poe, Jared Allen while with the Kansas City Chiefs, Richard Seymour while with the New England Patriots, and Isaac Sopoaga while with the San Francisco 49ers, while Dan Klecko and Nikita Whitlock have played both as a defensive tackle and fullback.