Born in Vyskov, Czech Republic on July 7, 1994, Slovakia international Albert Rusnak began his youth career in KAC Kosice. In 1997 he moved to MFK Kosice where he was talent-spotted by Manchester City scouts. However, he did not see any game action for the Citizens in the Premier League as he was immediately loaned to Oldham City.

After making only two appearances for the Latics, the Slovak moved to Birmingham City in 2014. After ending his loan spell with Cambuur, Albert Rusnak moved to FC Groningen in 2015 and it has to be noted that he scored nine goals in 61 appearances for the Dutch club in the Eredivisie.

In the winter of 2017 Rusnak joined MLS club Real Salt Lake for an undisclosed fee. Speaking of his international career, Albert Rusnak made his debut with the Slovakia national team on November 15, 2016 in a goalless draw with Austria. His father, also called Albert Rusnak, used to play football as well.