About: http://webisa.webdatacommons.org/36490139

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I think that back then, the pitching grades were more firmly tied to ERA (for instance, anything over, say, 4.20 was a D).
http://www.w3.org/ns/prov#wasQuotedFrom	apbablog.com