Sentence:  Rookie southpaw George Stepanovich <WSD>relieved</WSD> Hyde at the start of the ninth and gave up the A 's fifth tally on a walk to second baseman Dick Howser , a wild pitch , and Frank Cipriani 's single under Shortstop Jerry Adair 's glove into center . 
Meaning of the word marked with <WSD> tags:  free someone temporarily from his or her obligations