Career
He played as a lock for Glasgow Warriors and Scotland. He captained Glasgow from 2006 until 2015. He made his Scotland debut against Australia on 6 November 2004.
On 25 January 2011, it was announced that Kellock would captain Scotland in the 2011 Six Nations Championship.
Kellock scored his first international try against France in Scotland"s opening match of the 2011 RBS Six Nations. Kellock also captained his country at the 2011 Rugby World Cup in New Zealand.
He was named as part of the November 2014 Barbarian"s squad, captaining them in their match against Australia.