|Date of birth||19 September 1957|
|Date of death||18 November 2021(aged 64)|
|Height||1.90 m (6 ft 3 in)|
|1977–1982||Śląsk Wrocław II (loan)|
|1983–1984||Śląsk Wrocław (youth)|
|1984–1985||Śląsk Wrocław II|
|* Senior club appearances and goals counted for the domestic league only|
Starting his career at Stal Brzeg Trzonkowski went on to play 34 matches in the top division for Śląsk Wrocław. He also played for their reserves when they won promotion to the third division in 1982, before ending his career at rivals Zagłębie Lubin.
He ended his playing career aged 26 due to a career-ending knee injury.
Coaching and managerial careerEdit
Trzonkowski managed Śląsk's youth and reserve teams, and won promotion to the third division with the latter. In 1985 he was briefly manager of Odra Opole. He later also managed Karpaty Krosno and ended his career at home club, called BTP at the time.
- Zenon Trzonkowski at 90minut.pl (in Polish)
- Mogiel (18 November 2021), Zenon Trzonkowski nie żyje (in Polish)
- Michał Szalast (31 March 2020), Stal Brzeg [ZAWODNICY, TRENERZY, STADION, SUKCESY] (in Polish), Super Express Sport
- Śląsk Wrocław, Tragiczna wiadomość. Nie żyje były piłkarz klubu Ekstraklasy (in Polish), Interia Sport
- Jędrzej Rybak (18 November 2021), Zmarł Zenon Trzonkowski (in Polish), Śląsk Wrocław
- Krzysztof Kostka (18 November 2021), Dzisiaj zmarł Zenon Trzonkowski (in Polish), Zagłębiak.com
- Mikar (14 April 2004), Odra Opole - BTP Brzeg 2:0, sport.pl