Q:- clubs is → mare -lrb- loan -rrb- oțelul galați unirea dej -lrb- loan -rrb- → olimpia satu    - caps is 136 17 21 209    - position is centre back , defensive midfielder    - years is 1998 -- 1999 1999 -- 2000 2006 -- 2014    - height is 1.84 0      - birth date is 21 november 1978    - fullname is sergiu ioan viorel costin      - image size is 240    - image is costin in april 2011.jpg    - birth place is bistrița , romania    - goals is 6 4 3 9    Given the details above, guess who could this information be about.
A:
sergiu costin