About: http://webisa.webdatacommons.org/320625195

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	Mark McGwire was a very good hitter, but not quite as good a hitter as Fred McGriff, prior to using steroids at the time of his serious foot injury.
http://www.w3.org/ns/prov#wasQuotedFrom	baseballthinkfactory.org