Assertion: game score | /r/HasProperty | introduced by bill james
Facets:
value: in the 1980s
type: TEMPORAL
Source sentences:
text: Introduced by Bill James in the 1980s and updated by fellow sabermetrician Tom Tango in 2014, Game Score is presented as a figure between 0-100 -- except for extreme outliers -- and usually falls between 40-70.