Tremain has signed a three-year deal with Thunder ahead of the upcoming Big Bash League 2019 season, the franchise
Tremain set to return to his former team from Melbourne Renegades, where he won a title last year. He has previously featured for Thunder between 2012 and 2015. Moreover, after signing the deal Tremain said, "I don't think my game has changed too much. I think I've changed quite a bit. I've played a lot more cricket; I experienced a lot more. I've had a lot more success, and I've failed a lot more. I've had a career. When I was at the Thunder last time, I was young. I was still learning how to do things - not even cricket. Everything was raw and full of youth."