Simplify the following text for a Grade 4 native English-speaking person.
Original: Jerzy Henryk `` Jurek '' Dudek ; born 23 March 1973 in Rybnik ) is a Polish footballer who plays for Real Madrid in La Liga , as a goalkeeper .
Simplified: Jerzy Dudek ( born 23 March 1973 ) is a Polish football player . He plays for Real Madrid .