Career
He is the younger brother of Podbrezová goalkeeper Martin Kuciak. Dušan Kuciak was part of Žilina youth academy. Aged 16, he signed his first contract with the Slovak Superliga side AS Trenčín.
MŠK Žilina
After a two-year spell in Trenčín, he returned to Žilina, where he was the second-choice keeper, the first-choice being Ján Mucha.
Despite not playing at all, he was linked by the English Premier League side West Ham, where he was loaned for 6 months. In January 2006, he returned to Žilina, and he established himself as the first-choice keeper.
Football Club Vaslui
On 26 June 2008, he signed a three-year contract with Romanian side Football Club Vaslui. He was bought to replace Cristian Hăisan, while he was suspended, but Kuciak established himself quickly as the first-choice keeper.
At the end of the season, he established another record, having the most clean-sheets in Vaslui"s short spell in Liga I. Also, he captained the team a few matches, while Cânu was on the bench.
On 4 August, he received a red card in the Europa League match against Omonia Nicosia. On 26 September, after a conflict with team"s coach, he was relegated on the bench, and seemed to lost his place in the team, but because of Hăisan"s poor rating, re-established as the first-choice keeper. At the end of the season, he established another record for Vaslui, saving 4 out of 5 penalties, and also receiving only 17 goals in 23 matches.
After three seasons at Vaslui, Kuciak left the club in the summer of 2011.
Legia Warsaw
Kuciak joined the Polish club Legia Warsaw in August 2011. In August 2013, he extended his contract at the club until 2016.
West Ham United
In January 2013, West Ham United were reported to be in talks with the goalkeeper. Hull City
On 1 February 2016, Kuciak signed an 18-month contract with Hull City.
After a two-year absence in the national team, he was called again in 2009, because of his impressive form at Vaslui.
He was named in the provisional 30-man squad for 2010 World Cup. He played in the Slovakia"s second warm-up game, where he was replaced in the 85th minute, because of an injury. However, he was kept for the final 23-man squad, for 2010 World Cup, where he wore the Number 23 Shirt.