Juan Martín del Potro

Tennis player

READ MORE FROM 

Juan Martín del Potro, also known as Delpo, is an Argentine professional tennis player. His biggest achievement was winning the 2009 US Open, defeating Rafael Nadal in the semifinal and Roger Federer in the final.

READ MORE FROM http://en.wikipedia.org/wiki/Juan_Mart%C3%ADn_del_Potro