Career
GKS Katowice
On September 2010, he joined GKS Katowice. He was released one year later. Legia Warszawa
In summer 2001, he was recruited for Legia Warszawa by Dragomir Okuka.
He made his debut in Ruch Chorzów - Legia Warszawa match (0:4).
He played for ninety minutes. While Okuka was Legia"s coach, Szala played as right midfielder from time to time.
Next coach, Dariusz Kubicki, put him exclusively as a right defender. The following temporary coach, Jacek Zieliński (from early 2005) moved Szala to the center defense.
When Legia was taken over by Dariusz Wdowczyk, Szala returned to the right defense.
He was the first squad Legia player in seasons 2003/2004, 2004/2005 and 2005/2006 and has contributed to Legia being the least goal-conceding side in the league during that time.