Assertion: catcher | /r/HasAspect | significant effect
Facets:
value: on a pitching staff
type: TRANSITIVE-OBJECT
Source sentences:
text: Sabermetrician Bill James, too, performed research into CERA, finding that while it is possible that catchers may have a significant effect on a pitching staff, there is too much yearly variation in CERA for it to be a reliable indicator of ability.