Career
He plays for power forward position. In 2013 Žalalis signed a four-year (1+1+1+1) contract with Lietkabelis Panevėžys. He began his first professional season in Lietkabelis, but was later loaned to British Columbia Vilnius of NKL and Bangenė-Aivera Panevėžys of RKL to gain more experience.
Žalalis returned to Lietkabelis in 2014–2015 season.
Žalalis previously represented five Lithuanian youth squads.