Facts: - statyear: august 7 , 2015 - statlabel: batting average home runs runs batted in - number: 21 - position: first baseman - statvalue: .172 14 50 - caption: singleton at spring training in 2015 - throws: left - bats: left - debutdate: june 3 - debutteam: houston astros - team: houston astros - birth date: 18 september 1991 - name: jon singleton - image: jon singleton spring training 2015.jpg - birth place: lakewood , california - debutyear: 2014 Based on these bullet points, write a short biography describing the life of jon singleton -lrb- baseball -rrb- .
The answer to this question is:
jonathan lee singleton -lrb- born september 18 , 1991 -rrb- is an american professional baseball first baseman for the houston astros of major league baseball -lrb- mlb -rrb- .after growing up in long beach , california , singleton was drafted by the philadelphia phillies in 2009 .he was one of several prospects traded to the astros in exchange for hunter pence in 2011 .he made his mlb debut in june 2014 .as of august 2015 , he plays for the astros class aaa affiliate , the fresno grizzlies .