<http://webisa.webdatacommons.org/prov/119754180>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/201993016> .
<http://webisa.webdatacommons.org/201993016>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/201993016>	<http://www.w3.org/ns/prov#value>	"Players stayed longer with one team because there was no such thing as free agency and the owners controlled the players (and their salaries) through the reserve clause until 1975 when it began to deteriorate." .
<http://webisa.webdatacommons.org/201993016>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nbcsports.com> .
<http://webisa.webdatacommons.org/prov/367433966>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/201993016> .