Sports BriefsPHILADELPHIA (/P)~The Philadelphia Phillies yesterday signed their first Negro baseball player— Theodore Washington, 18-year-old shortstop of the Philadelphia Stars of the Negro-National League.The 1951 graduate of Camden, N. J.. high school, batted .325 with the Stars last year and .340 this season.Washington was released unconditionally so he could sign a contract with Granby, Quebec, Phillies’ farm team in the Provincial League.