What key details about walker americo fronio can be extracted from the following bio? Bio: walker americo fronio -lrb- born 15 february 1982 -rrb- , commonly known as walker , is a brazilian footballer who currently plays as a midfielder for brazilian paulista a2 club batatais fc .
- clubs is guarani jong ajax atletico mineiro juventude nautico itumbiara juventude rio claro ajax santo andre sertaozinho botafogo sp rio claro batatais germinal beerschot -lrb- loan -rrb- - caps is 0 22 1 0 9 16 12 ? 23 10 23 ? ? ? 16- position is midfielder- currentclub is batatais- height is 1.77- years is -1999 2006 -- 2007 2007 -- 2008 2008 -- 2010 2010 1999-2000 2010 2011 2011 2012 2013 2013 -- 2002 -- 2003 2003 -- 2004 2006- clubnumber is --- youthclubs is guarani ajax- youthyears is -1999 1999-2000- birth date is 15 february 1982- fullname is walker americo fronio- name is walker- birth place is americana , brazil- goals is 0 0 0 0 0 ? 0 ? 1 ? 0 ? ? ? 0