Senior Debut: v Connacht, December 2009, Thomond Park
Heineken Cup Debut: v London Irish, October 2010, Madejski Stadium
Club: Cork Constiution
School: CBC, Cork
Internationals Honours: Ireland Schools; Ireland U21
Another product of the Munster Rugby Academy Williams plays his club rugby for Cork Constitution and is a former Schools and Ireland U21 international.
The scrum-half was awarded a full contract at the start of the 2010/11 season and started against Australia in Munster's historic 15-6 victory in November 2010.
Williams scored his first try for Munster in their 35-12 win against Scarlets in September 2011 and also touched down in Munster A's British and Irish Cup final win over Cross Keys in April 2012.
He signed a two-year contract extension with Munster in March 2012 and signed a one-year contract extension at the end of February 2014.
Went on to make his first European start away to Saracens in round 5 of the Champions Cup in January 2015, and then signed a two-year contract extension that will see him stay with the province until June 2017.
Made his 100th appearance in Munster's PRO12 victory against Ulster in Belfast in January 2016.
|DOB||17th Apr 1986|
|Height||1.75 m (5' 9")|
|Weight||80 kg (12 st 8 lb)|