Kammala jumlar da ke gaba: Ya zama dan kasarsa na farko da ya taba lashe lambar yabo a gasar zakarun duniya na matasa a Barcelona, ya rasa burinsa na rikodin gasar amma har yanzu ya ci nasara da tazarar fiye da rabin na biyu a cikin 44.85. Da yake yaba wa ci gabansa da sauri, ya ce: "Har yanzu Ba'amurke ne kawai ya gama a ƙasa da sakan 44, ina son in zama na farko daga wani wuri". An doke shi zuwa wannan bambanci daga Kirani James na Grenada a wasan karshe na mita 400 a Wasannin Olympics na 2012. Santos shine na gaba da ya gama bayan James, duk da haka, yayin da ya gudu a cikin 0.01 na mafi kyawun lokacinsa don neman lambar azurfa ta Olympics da ba a zata ba. Shi ne lambar yabo ta uku da aka samu a Jamhuriyar Dominica, ta zo ne kawai mintuna 45 bayan Felix Sánchez ya lashe zinare na biyu na Olympics. Tawagar Gustavo Cuesta, Felix Sánchez, Joel Mejia da Santos sun bayyana sun cancanci zuwa gasar cin kofin duniya.
4 × 400 m relay karshe, amma canji na biyu na baton ya kasance a waje da canjin canji kuma an cire tawagar.