About: http://webisa.webdatacommons.org/70497120

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	So the main reason for a CB being regarded higher than a S mainly is, because he needs to be a player with special physical skills and thus is harder to find - while more players would be able to physical play S.
http://www.w3.org/ns/prov#wasQuotedFrom	texanstalk.com