LONDON (AP) -- Michael Phelps won the 100-meter butterfly at the London Games on Friday for the record 17th gold and 21st medal overall in his Olympic career.
In the final individual race of his career, Phelps was next to last at the turn but then produced his usual furious finish to clock 51.21 seconds.
Chad le Clos of South Africa and Evgeny Korotyshkin of Russia touched in 51.44 to share the silver medal.
Phelps will end his career with the 4x100 medley relay Saturday.
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