On 30 June 2009 episode of "ECW", Farrelly made his unannounced debut as a villain under the shortened ring name of Sheamus, quickly defeating a local competitor. Sheamus soon entered into a critically well-received rivalry with Goldust after defeating him on 29 July. After exchanging victories in the following weeks they competed in a no disqualification match on 1 September which was won by Sheamus. Sheamus then began a feud with Shelton Benjamin which was hot-shot into a deciding match on 27 October which Sheamus won.