Usain Bolt may have been the only athlete who upstaged swimmer Michael Phelps in the recent Beijing Olympics. The Jamaican sprinter surprisingly set two individual world records in the 100 and 200 meters and was part of a 4×100 relay world record Jamaican team.
Rio Olympics 2016: Michael Phelps, Katie Ledecky in great danger? Brazil continues to face water quality issues for swimmers - http://www.sportsrageous.com/2016-rio-olympics/rio-olympics-2016-michael-phelps-katie-ledecky-great-danger-brazil-continues-face-water-quality-issues-swimmers/38706/
Rio Olympics 2016: Ibtihaj Muhammad deserves to carry USA flag more than Michael Phelps? - http://www.sportsrageous.com/2016-rio-olympics/rio-olympics-2016-ibtihaj-muhammad-deserves-carry-usa-flag-michael-phelps/39253/