Career
Born in Bojnice, Vlasko began playing youth football for Prievidza. He also played for the youth sides of Sparta Prague and Dubnica. In 2007, Vlasko joined Czechoslovakian Gambrinus liga side Slovan Liberec.
He made his professional debut for Slovan Liberec, entering as a second-half substitute against Sparta Prague, in May 2007.
He joined Spartak Trnava in August 2012 and made his debut for them against Žilina on 21 August 2012. Zagłębie Lubin bought Vlasko in July 2015 for a fee of 180,000 euro.