He is currently playing for Berliner Rugby Club, where he also covers a coaching role, together with Gerrit van Look, another player of the German national team.
Himself injured later in the year, suffering a broken hand and requiring pins after the game against SC Neuenheim on 13 September 2008,[2] he planned to retire from the national team but, according to his captain Schmidt, he loves the game too much and Germany needs his skills too badly for him to retire.
In an interview after the promotion-winning game, which he captained, he stated that, in his opinion, this was the greatest moment in German rugby in almost 30 years.
[4] Grzanna voiced his anger with the image of the game in Germany, where it is often unfairly associated with only being played by rough individuals.
Like most of his fellow German team mates, Grzanna is an amateur rugby player and a surgeon by profession.