A talented back row, Butler made his debut for Munster against Connacht in late 2010. The Tipperary man represented Ireland at underage levels and featured for his country at the U20 Rugby World Cup in Argentina.
Butler captained Rockwell College in the 2008 Munster Senior Cup before earning a full development contract with Munster after being promoted from an academy contract in time for the 2010-11 season.
Butler made his full debut against Connacht in December 2010 and won the man of the match award in the 2012 British and Irish Cup final when helping Munster A to a 31-12 win over Cross Keys. In October 2012 Paddy Butler made his Heineken Cup debut away to Racing Métro 92.
Butler made 64 appearances for Munster (34 starts) over five season before growing frustrated by limited game time. In 2015 Butler accepted an offer from Pau to join the French Top 14 side.
In November 2016, Butler signed a two-year professional contract with French Top 14 side Pau. He alternates between No. 8 or blindside flanker with the club.
Butler made the switch to Japan in January 2020, when he signed with Jubilo.
|2020 - present|
|2010 - 2015|
|2015 - 2019|