Simplify the following text for a Grade 6 native English-speaking person.
Original: Ely do Amparo , commonly known as just Ely ( May 14 , 1921 -- March 9 , 1991 ) , was a Brazilian football central defender , who played in two World Cups .
Simplified: Ely do Amparo ( 14 May 1921 â `` 9 March 1987 ) is a former Brazilian football player .