What key details about matías rodrigo pérez  can be extracted from the following bio?  Bio: matías rodrigo pérez marín -lrb- born 4 january 1994 -rrb- is a paraguayan footballer who plays as a centre back for sporting b . he is one of the most promising paraguayan soccer defenders .
The answer to this question is:
- clubs is nacional b asunción → rubio Ñu -lrb- loan -rrb- sporting- caps is 18 12 4- position is centre back- nationalcaps is 8 12- currentclub is sporting b- height is 1.92- years is 2013 2014 --- nationalyears is 2010 2012- youthclubs is nacional asunción- nationalgoals is 1 3- birth date is 4 january 1994- fullname is matías rodrigo pérez marín- name is matías rodrigo pérez- nationalteam is paraguay u17 paraguay u20- birth place is asunción , paraguay- goals is 0 1 0