Dontrelle Willis retires: Pitcher ends career after nine seasons
Philadelphia Phillies to sign pitcher Dontrelle Willis to a 1-year deal, mlb.com is reporting on Twitter
Cubs sign Dontrelle Willis to minor-league deal
Dontrelle Willis - Wikipedia
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Ex-Marlins sensation Willis retires from baseball – Sun Sentinel
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Last stop for the D-Train: Dontrelle Willis retires - Sports Illustrated
Alameda's Willis calling it a career – The Mercury News
Remember Black Ace Dontrelle Willis?, He's Still Very Much Involved In Baseball