Ján Vlasko

Early career

Born in Bojnice, Vlasko began playing youth football for Prievidza. He also played for the youth sides of Sparta Prague and Dubnica.

Liberec

In 2007, Vlasko joined Czech 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.

Spartak Trnava

In February 2013, it was announced that Vlako would be transferring to Slovak first league club, Spartak Trnava. He made his league debut for Spartak in a 1–1 draw against MŠK Žilina. In the 2014/2015 Fortuna league season, he scored 11 league goals in 30 appearances. In July 2015, he started a match for Trnava in the first qualifying round of the 2015/16 UEFA Europa League against the Bosnian club FK Olimpik Sarajevo, where Spartak would advance.

Zaglebie Lubin

After the Europa League qualifying round in July 2015, Vlasko was bought by Polish club Zaglebie Lubin for €180,000, where he signed a three-year contract. However, he did not get many opportunities on the pitch in the Polish team and on September 1, 2017, he agreed to terminate his contract.

Return to Spartak

After the end of his contract with Zaglebie, he returned to Spartak Trnava in September 2017. In the 2017/2018 season, he played 20 matches for the club in the Fortuna League and scored 2 goals, contributing to the league title. In the 2018/19 season, Vlasko scored the winning goal in a 1–0 win against FC ViOn…

Zagłębie Lubin II

IV liga Lower Silesia West: 2016–17 Spartak Trnava

Fortuna Liga: 2017–18 Slovnaft Cup: 2021–22