Both gymnasts entered their specialty events as defending world champions. (fortune.com)
Fellow Team USA member and two - time defending world champion Trey Hardee won the silver (and the title of «World's Second - Greatest Athlete?») (sbnation.com)
MOTOR SPORTS — Defending world champion JACKIE STEWART, driving a Tyrrell - Ford, led all the way to take the Argentine Grand Prix in Buenos Aires, the first Formula I race of the season. (si.com)