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KANSAS CITY, Mo. — If there has been one constant with the <a href="http://topics.nytimes.com/top/news/sports/baseball/majorleague/newyorkyankees/index.html?inline=nyt-org" title="Recent news and scores about the New York Yankees." class="meta-org">Yankees</a> during the recent edition of their dynasty, it has been the unparalleled success and durability of their closer, <a href="http://topics.nytimes.com/top/reference/timestopics/people/r/mariano_rivera/index.html?inline=nyt-per" title="More articles about Mariano Rivera." class="meta-per">Mariano Rivera</a>.
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</div>But Rivera crumpled to the ground in agony Thursday, and all that may
have changed. Suddenly, the Yankees’ fortunes this season appear very
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<br><b>LOSER<br></b>Angry Young Men. Must now count on the inestimable Matt Capps to keep team afloat as <b>THE WAVES ARE CRASHING IN.</b><br><br><b>WINNER<br></b>Riptorns. With David Roberston poised to garner a seasonful of saves, the Rips now have an armada of closers as <b>THEY RIDE A WAVE OF GOOD FORTUNE. </b><br>
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