Yankees pitcher Andy Pettitte announces his retirement after 16 seasons.
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Pettitte announces retirement
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Big Unit retiring after 22 seasons
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Andy Roddick to retire after the US Open
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Jorge posada to officially retire
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Pettitte says he will start Wednesday
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Patrick Valenzuela announces retirement
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Baseball veteran Salomon Torres retires after 28-save season
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Michael Vaughan confirms retirement
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Frank Thomas announces retirement
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Piazza retires from baseball
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Rich Aurilia announces retirement
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Charlie Coles retires after 16 seasons
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Johnson announces his retirement after losing to Fonfara
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Red Bulls veteran defender Mike Petke to retire
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Ricky Hatton announces his retirement on website
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Randy Moss plans to come out of retirement
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Jeter to play till he is 43?