His progress as a footballer was delayed by a knee reconstruction, sustained during his playing days with ex NSL club Melbourne Knights FC.
Daniel also was a member of the Australian Under 20 Side and missed out on a place in the Under-20 World Cup due to a knee reconstruction.
[2] Piorkowski was an important part of the Victory defence during their premiership winning season in 06/07 along with Adrian Leijer and Rodrigo Vargas.
[3][4] On 13 February 2008 he was tabled a new contract by Victory but remained undecided whether to stay with the club.
[6][7][8] On 13 September 2008 he signed a short deal after a week-long trial to cover injured defender Shaun Ontong.