Assertion: fullback | /r/HasProperty | blocker
Facets:
value: primarily
type: DEGREE
value: for a quarterback
type: OTHER
Source sentences:
text: Because the halfback is usually the team's main ball carrier (while the fullback is primarily a blocker), modern offensive formations have positioned the halfback behind the fullback (at the "tail end" of the formation), to take advantage of the fullback's blocking abilities.
text: Otherwise, a fullback may be a blocker for a quarterback who wants to pass, or a halfback who wants to run to the side.
text: Because the halfback is usually the team's main ball carrier (while the fullback is primarily a blocker), many coaches see fit to position the halfback behind the fullback (at the "tail end" of the formation).