About: http://webisa.webdatacommons.org/317136009

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	In addition, in 1901, the Chicago White Sox attempted to use colored sleeves on the umpires to denote whether a pitch was a ball or a strike.
http://www.w3.org/ns/prov#wasQuotedFrom	latimes.com