After playing with Drogheda Boys, Nick moved to Chelsea in 1991 with whom he played just one game. While there he had loan spells with Crewe Alexandra, Grimsby Town, Millwall, Brentford and Reading, before joining Bournemouth in 1998.
He spent just one season there before moving to Hibernian in July '99. With Hibs he made 147 appearances before making 17 appearances on loan to Stockport County.
In the summer of 2004, Colgan signed for Barnsley, where he endured a tough first season only playing in 15 games and ending up on loan to Dundee United for 3 months. The 2005-2006 Barnsley campaign showed a turn of fortune for Colgan as he became the team's first choice keeper. His outstanding displays during the season earned him 20 clean sheets in total as well as the title of Barnsley's Player of the Year and helped the team reach the League One Play Off final at the Millennium Stadium in Cardiff on May 27, 2006 where despite a mistake letting Swansea City take the lead, he recovered to make a historic save in the penalty shoot out which ensured Barnsley won their place back in the Championship.
Colgan made his Republic of Ireland debut in March 2002 against Denmark and has since been a regular fixture in the Irish squad, usually as a backup to Shay Given and Paddy Kenny, though he has earned himself 9 international caps. and he has joined Barnsley for this campaign.
Courtesy Wikipedia Enclylopedia