Sentence:  And so it was over the weekend what with 40 - year old Warren Spahn pitching his <WSD>no-hit</WSD> masterpiece against the Giants and the Giants ' Willie Mays retaliating with a record tying 4 - homer spree Sunday . 
Meaning of the word marked with <WSD> tags:  of a game (or the pitching) in which a pitcher allows the opponent no hits