Ruddy Joraider Lugo (born May 22, 1980) is a former Dominican-American Major League Baseball right-handed relief pitcher. Lugo is the younger brother of shortstop Julio Lugo. He attended Xaverian High School (famous alumni include Chris Mullin and Rich Aurilia) in Brooklyn, New York.
Ruddy Joraider Lugo  has a younger brother
The context says Lugo is the younger brother of another player, but does not indicate in any way that Lugo has another younger brother, so the statement is neither correct or incorrect. The system might find it difficult to understand who is the younger brother in this context