In December 2013, he was signed a rookie contract by Big Bash League team Sydney Sixers for BBL-3.
McCullum is building a reputation as a travelling Twenty 20 player, having played in Twenty 20 tournaments since 2010 for Lancashire, Pune Warriors India, Sydney Sixers and Glamorgan as well as still turning out for his native side Otago.
Sydney | University of Sydney | Sydney Opera House | Sydney Swans | Sydney Roosters | Sydney Cricket Ground | Sydney Conservatorium of Music | Sydney Harbour Bridge | Sydney Airport | University of Western Sydney | Sydney Symphony Orchestra | North Sydney | Central railway station, Sydney | Sydney to Hobart Yacht Race | Sydney Grammar School | Sydney Entertainment Centre | Sydney Pollack | Sydney Theatre Company | South Sydney Rabbitohs | The Sydney Morning Herald | Greater Western Sydney | City of Sydney | Sydney Smith | Sydney, Nova Scotia | Roman Catholic Archdiocese of Sydney | University of Technology, Sydney | Sydney Town Hall | Western Sydney | Sydney Football Stadium | North Sydney, New South Wales |