Irish midfielder best known for his time with Sheffield United and Hull City. He was named Sheffield United Player of the Year in 2011.
He was born in Dublin and came up through the youth system of St. Patrick's Athletic before making his senior debut with the club in 2014.
He led League One in assists during the 2011-12 season while playing for Sheffield United.
His brothers Alan and Keith are also professional soccer players.
He has played alongside Scottish winger Robert Snodgrass at Hull City.