Luguelin Santos, 2012 Olympic 400m medalist, banned for age falsification - NBC Sports

Olympic 400m medalist Luguelin Santos was banned for competing overage at a junior meet in 2012.

Eliud Kipchoge returns with airport marathon win - NBC Sports

Kenenisa Bekele still eyes Eliud Kipchoge's marathon world record

U.S. Olympic Marathon Trials contenders established with fall

Santos, Olympic silver medallist, banned and stripped of 2012

Luguelin Santos, 2012 Olympic 400m medalist, banned for age

Usain Bolt named Sportsman of the Year - NBC Sports

Luguelin Santos, 2012 Olympic 400m medalist, banned for age

Luguelin Santos, 2012 Olympic 400m medalist, banned for age

Santos banned for faking age, stripped of 2012 World Junior

Michelle Kwan works long hours for Hillary Clinton campaign - NBC

Olympic Silver Medalist Handed Ban for Lying About His Age

U.S. women's basketball team wins 3×3 world title; men take silver