Simplify the following text for a Grade 5 native English-speaking person.
Original: Mahamadou Diarra ( born 18 May 1981 in Bamako ) is a Malian footballer who plays as a defensive midfielder for AS Monaco and is captain of the Mali national team .
Simplified: Mahamadou Diarra ( born 18 May 1981 ) is a Malian football player . He plays for Monaco and Mali national team .