Michał Nalepa

In July 2011, Nalepa joined Ruch Radzionków on a one-season loan deal from Wisła Kraków. He made his league debut for Radzionkow on 13 August 2011 in a 2–2 home draw with GKS Katowice. He was subbed on for Paweł Giel in the 58th minute. He scored his first league goal for the club on 3 September 2011 in a 3–1 away win against Arka Gdynia. His goal, the third of the match, came in the 47th minute. In the 2012–13 season he was loaned out to Bruk-Bet Termalica Nieciecza. He made his league debut for Termalica on 22 August 2012 in a 3–0 away victory over Polonia Bytom. He scored his first goal for the club on 3 November 2012 in a 1–1 away draw with Zawisza Bydgoszcz. His goal, scored in the 90th minute, rescued a point for the visitors that day. On 19 July 2013, Nalepa made his debut for Wisła Kraków in the Ekstraklasa match against Górnik Zabrze.

Ferencváros

On 7 June 2014, Nalepa signed three-year deal with Hungarian club Ferencvárosi TC. He made his league debut for the club on 27 July 2014 in a 3–1 away win against Kecskeméti TE. He was subbed on in the 83rd minute for Wergiton do Rosario Calmon. He scored his first league goal for the club on 26 July 2015 in a 3–1 home victory over Diósgyőri VTK. His goal, scored in the 5th minute, was the first of the match. On 2 April 2016, Nalepa became Hungarian League champion with Ferencvárosi TC after losing to Debreceni VSC 2–1 at the Nagyerdei Stadion in the 2015–16 Nemzeti Bajnokság I season.

Lechia Gdańsk

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Nalepa was the captain of Poland national under-17 football team during 2010 UEFA Under-17 Championship elite round as well as of Poland national under-19 football team during 2012 UEFA Under-19 Championship qualifying round.

As of match played 23 May 2026

Ferencváros

Nemzeti Bajnokság I: 2015-16 Hungarian Cup: 2014–15, 2015–16, 2016-17 Hungarian League Cup: 2014–15 Hungarian Super Cup: 2015 Lechia Gdańsk

Polish Cup: 2018–19 Polish Super Cup: 2019