Career

Mindaugas joined Neptūnas in 2009, after showing good performance in Lithuanian third strongest basketball league - Regional Basketball League playing for Klaipėdos Tekoda.In 2011 January player was loaned to Klaipėdos Nafta-Universitetas which plays in NKL.

Following the solid season, in 2015 Girdžiūnas was included into the Lithuania men"s national basketball team head coach Jonas Kazlauskas extended candidates list. Though, he was not invited into the training camp later on.