The league will include eight teams seeking to compete for the coveted title, much like last year. The Sydney Sixers won it three times, and the Perth Scorchers were the only team to win it a record-setting four times.

The top four teams in the league will compete in elimination rounds, and the winner of "The Challenger" will join "The Qualifier" as a participant in the Final.  Teams have strengthened their rosters and created plans in accordance to fight for the renowned league crown, making for an interesting season.

Squads:
Adelaide Strikers: Wes Agar, Cameron Boyce, Alex Carey, Harry Conway, Colin de Grandhomme, Ryan Gibson, Travis Head, Adam Hose, Henry Hunt, Thomas Kelly, Rashid Khan, Chris Lynn, Harry Nielsen, Matt Short, Jake Weatherald, Henry Thorton, Peter Siddle.

Brisbane Heat: Xavier Bartlett, James Bazley, Sam Billings, Max Bryant, Sam Hain, Sam Heazlett, Usman Khawaja, Matthew Kuhnemann, Marnus Labuschagne, Colin Munro, Michael Neser, Jimmy Peirson, Matthew Renshaw, Mark Steketee, Mitchell Swepson, Ross Whiteley, Jack Wildermuth, Spencer Johnson, Will Prestwidge.

Hobart Hurricanes: Asif Ali, Faheem Ashraf, Tim David, Nathan Ellis, Caleb Jewell, Shadab Khan, Ben McDermott, Riley Meredith, Mitch Owen, Joel Paris, Wil Parker, D’Arcy Short, Matthew Wade, Billy Stanlake, Paddy Dooley, Chris Tremain, Mac Wright, Zak Crawley (overseas replacement for Shadab Khan)

Melbourne Renegades: Zak Evans, Aaron Finch, Akeal Hosein, Liam Livingstone (withdrawn), Jake Fraser-McGurk, Sam Harper, Mackenzie Harvey, Nic Maddinson (c), Shaun Marsh, Mujeeb ur Rahman, Kane Richardson, Tom Rogers, Will Sutherland, Jon Wells, Jack Prestwidge, Ruwantha Kellapotha, Marcus Harris, Andre Russell (replacing Liam Livingstone, first four matches only), Martin Guptill (replacing Liam Livingstone, 10 group matches and finals).

Melbourne Stars: Trent Boult, Joe Burns, Hilton Cartwright, Joe Clarke, Brody Couch, Nathan Coulter-Nile, Liam Hatcher, Clint Hinchliffe, Nick Larkin, Glenn Maxwell (c), Marcus Stoinis, Beau Webster, Luke Wood, Adam Zampa, Campbell Kellaway.

Perth Scorchers: Ashton Agar, Cameron Bancroft, Jason Behrendorff, Cooper Connolly, Laurie Evans (contract terminated), Aaron Hardie, Peter Hatzoglou, Nick Hobson, Josh Inglis, Matthew Kelly, Mitch Marsh, Tymal Mills, Lance Morris, Jhye Richardson, Ashton Turner, Andrew Tye, Faf du Plessis (replacing Laurie Evans, first seven matches only)

Sydney Sixers: Sean Abbott, Jackson Bird, Dan Christian, Ben Dwarshuis, Moises Henriques, Daniel Hughes, Hayden Kerr, Nathan Lyon, Izharulhaq Naveed, Chris Jordan, Steve O’Keefe, Kurtis Patterson, Josh Philippe, Jordan Silk, James Vince

Sydney Thunder: Oliver Davies, Brendan Doggett, Matthew Gilkes, Chris Green, Alex Hales, Baxter Holt, Nathan McAndrew, Alex Ross, Rilee Rossouw, Daniel Sams, Jason Sangha, Tanveer Sangha, David Warner, David Willey (withdrawn), Fazalhaq Farooqi (replacing David Willey, first nine matches only), Ben Cutting, Usman Qadir, Gurinder Sandhu