Sentence:  Ryne Duren and Roland Sheldon , a rookie righthander who posted a 15 - 1 record last <WSD>year</WSD> for the Yanks ' Auburn ( N.Y. ) farm club of the Class - D New York-Pennsylvania League , are the probable rival pitchers . 
Meaning of the word marked with <WSD> tags:  a period of time containing 365 (or 366) days