Nationals pitcher Sean Doolittle announces his retirement after
Pitcher Sean Doolittle of the Washington Nationals
MLB's five biggest takeaways from the season's first half - The
Nationals pitcher Sean Doolittle announces his retirement after
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Nationals pitcher Sean Doolittle announces his retirement after
Nationals pitcher Sean Doolittle announces his retirement after
Kyle Isbel's go-ahead bunt lifts Royals over Astros 10-8 for
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