Assertion: quarterback's receiver | /r/CapableOf | drop ball
Facets:
value: at times
type: TEMPORAL
Source sentences:
text: A receiver might drop a ball because he wanted to run before catching it, because the defense distracted him, because it was a little bit behind him or because he was about to get hit by a defender.
text: He had some bad luck with receivers dropping balls at times, but he also had some good luck with defensive backs dropping interceptions just the same.