Career
His regular playing position is Number Eight. He was part of the Brumbies Extended Playing squad, having previously represented the Western Force in Super Rugby. He joined the Perth based side ahead of the 2012 Super Rugby season and is awaiting his first-team debut.
He previously played of the Waratahs.
McCaffrey went to Saint Ignatius" College, Riverview in Sydney, and also plays for Eastwood in the Sydney Shute Shield grade rugby competition. He moved to English Premiership side London Welsh prior to the 2014-2015 season.
On 5 May 2015, Lachlan signs for Leicester Tigers for the upcoming 2015-2016 season. He contested the Division of Bennelong at the Australian federal election, 2013 for the Democratic Labour Party.