Simplify the following text for a Grade 9 native English-speaking person.
Original: Miguel Eduardo Olivo PeÃ a ( born July 15 , 1978 in Villa Vasquez , Dominican Republic ) is a Major League Baseball catcher for the Seattle Mariners .
Simplified: Miguel Olivo ( born July 15 , 1978 ) is a Major League Baseball player from Villa Vasquez , Dominican Republic . Olivo plays as a catcher for the Seattle Mariners .