Defensive back who made his Premier League debut in 2012 with Aston Villa. After spending the next few years on loan to various lower division clubs, he signed with Portsmouth in 2015.
He played youth soccer with Cherry Orchard before appearing in two games with University College Dublin. He then joined St. Patrick's Athletic in 2009.
He was named 2011's Young Player of the Year by the Professional Footballers' Association of Ireland.
He grew up in Dublin, Ireland and earned three caps with the nation's U21 squad.
He was teammates with Brad Guzan during his time with Aston Villa.