Career
His plays in the Back-Row as either a Number 8 or a Blind-side flanker. He was the captain of Rockwell College in the Senior Cup in 2008, having also played senior schools rugby in 2007. Butler is on a full development contract with after being promoted from an academy contract for the 2010/2011 season.
He made his debut against Connacht on 27 December 2010.
Butler agreed a contract extension with in January 2013. He scored his first try for on 19 April 2013, in a Pro 12 against Newport Gwent Dragons.
Butler suffered a broken thumb during "s game against Edinburgh in October 2013, ruling him out for 8–10 weeks. He returned from the injury in "s game against Connacht on 27 December 2013.
On 30 January 2015, it was announced that Butler would leave at the end of the 2014-2015 season, after deciding not to renew his contract.
Butler will join French Top 14 side Pau for the 2015-2016 season. He has represented at underage levels up to U-20. Butler played for at the U-20 Rugby World Cup in Argentina in June 2010.
Butler previously played for U-18.
Butler was called into the senior squad for their warm-up game against the Barbarians on 29 May 2012 in Gloucester. Butler was selected in the Emerging squad on 26 May 2014.
He started in their second game against Uruguay on 18 June 2014, scoring two tries.
