Sentence:  Over the first five <WSD>frames</WSD> , Jack Fisher , the big righthander who figures to be in the middle of Oriole plans for a drive on the 1961 American League pennant , held the A 's scoreless while yielding three scattered hits . 
Meaning of the word marked with <WSD> tags:  (baseball) one of nine divisions of play during which each team has a turn at bat