In May 2003, Yabe achieved fame for breaking the Ricardo Prado's South American record in the 200-metre individual medley, a record that stood since 1983.[4]
Yabe was at the 2003 Pan American Games in Santo Domingo, where he ranked 6th place in the 200-metre individual medley and in the 400-metre individual medley.[6]
Participated in the 2004 Summer Olympics in the 200-metre individual medley, where he earned a 26th-place finish.[1]
At the 2006 South American Games in Buenos Aires, Yabe won a gold medal in the 400-metre individual medley,[7] two silver medals in the 200-metre individual medley[8] and 4×100-metre freestyle,[7] and a bronze medal in the 4×200-metre freestyle.[9]
As one of the representatives of Brazil in the 2011 Pan American Games in Guadalajara, won the silver medal in the 4×200-metre freestyle by participate at heats.[15]
At the 2011 Military World Games, held in Rio de Janeiro, Diogo won the gold medal in the 200-metre individual medley [16] and in the 400-metre individual medley.[17]