Originally born in Alaska in the USA, Tristan is the older of the Crawford brothers to play with the Cavalry. Despite being born in the US, he and his brother Nathan are Aussies who grew up in Brisbane. Tristan played for Australian in the 2006 World Baseball Classic, as well as playing 10 seasons in the minor leagues (2000-2009). He spent most of his time with the Minnesota Twins organisation, reaching AAA level with them, but also did stints with Washington and Philadelphia.
He pitched in 2 games for the Canberra Cavalry during the 2011-12 season.