David Bystroň

Baník Ostrava

Bystroň played seven seasons for Czech side Baník Ostrava, where he won the 2003–04 Czech First League and won the Czech Cup in 2005.

Levski Sofia

Bystroň signed for Levski Sofia on 22 June 2008. Bystroň signed a three-year contract on 27 June 2008. He made his unofficial debut for Levski on 5 July 2008 in a friendly match against Spartak Pleven. Levski won the match and the result was 5–0. Bystroň made his official debut for Levski on 13 August 2008 in a match against BATE Borisov. The result was 0–1 with a home loss. Bystroň scored his first goal for Levski on 17 August 2008 in a match against Botev Plovdiv. He became a Champion of Bulgaria in 2009.

Viktoria Plzeň

Bystroň joined Viktoria Plzeň on loan on 12 August 2009. He played there until the end of the 2009/10 season. He won the Czech Cup in 2010 with Viktoria Plzeň. After a period on loan, he was bought by Viktoria. On 6 December 2011, Bystroň scored a goal in the 2–2 draw with Milan in a UEFA Champions League match.

Doping ban

After a UEFA Champions League match against BATE Borisov in November 2011, Bystroň tested positive for prohibited substance methamphetamine in a drug test. In January 2012, the 'B' sample also tested positive for the substance. He commenced a two-year ban from professional football starting on 3 January 2012, due to finish on 3 January 2014. His contract with Plzeň was terminated on 13 February 2012.

Later career

After he had been…

Champion of Bulgaria 2008–09 Champion of the Czech Republic 2003–04, 2010–11 Czech Cup 2004–05, 2009–10