By Christine Brennan

Phelps holds a lion’s share of Olympic swimming records. As he is about to turn 31, an age long past retirement in his sport, he is expected to be a threat for more medals at this summer’s Rio games.

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Source:: http://www.npr.org/2016/06/29/483976512/michael-phelps-attempts-to-make-5th-consecutive-olympic-team?utm_medium=RSS&utm_campaign=sports