However, while his club was not performing very well, Blažek drew the attention of giants Sparta Prague, transferring there in early 2000 and winning back-to-back titles in 2000 and 2001.

FC Nürnberg, who purchased him as a replacement for Raphael Schäfer who had left for VfB Stuttgart over the summer.

Blažek was the number one there but fell sick in April and could not play the end of a season that saw Nürnberg being relegated.

[3] However, on 16 December 2011, Sparta Prague announced their decision to terminate Blažek's contract early, releasing him as a free agent.

[5] Blažek made his debut for the national team on 29 March 2000 in a friendly match against Australia that ended up in a 3–1 win.