Assertion: linebacker | /r/CapableOf | prevent the runner
Facets:
value: from gaining yards
type: TRANSITIVE-OBJECT
Source sentences:
text: If it's a running play the linebacker must block the open field in the back of him, to prevent the runner from gaining yards, or he must move him to his side where most of his players are.
text: Their job is to help the cornerbacks cover receivers and, if necessary, help the defensive line and linebackers protect against the run.