Davies, 25, has signed a three-year deal with Sixers as a free agent in the player movement window after playing just one game for Thunder last season.
“I’m so excited to sign with the Sydney Sixers for the next three years,” Davies said in a statement. “It’s a childhood dream to play professional cricket alongside my little brother Joel. We’re both stoked to pull on the magenta together and run out at the SCG.
“I hope I can make meaningful contributions as we fight to bring home a championship for our fans.”
Davies had made his name at Thunder in 2022-23 when he scored three half-centuries in a season to help Thunder make the finals. But his returns since then have been lean.
He played nine games last season including the final against Hobart Hurricanes. But he fell out of favour in 2025-26 and made just one appearance despite Thunder’s overall struggles with the bat outside of David Warner’s superb season.
“We’re in the process of formulating some decisions in terms of the Thunder moving forward,” Germon told ESPNCricinfo on Saturday.
“I have a meeting this week where I’m going to be privy to the review, so I’m not in a position to make any comment.”
Bayliss has coached Thunder for five seasons and has led them to the finals three times including making the BBL final in 2024-25. But the last-placed finish in 2025-26 was the second time Thunder have finished last during his tenure after they finished eighth in 2023-24.
Cricket NSW also decided that 2025-26 would be Shipperd’s last season in charge of the Sheffield Shield and One-Day Cup side despite there being four and three games to go respectively in both competitions and with NSW still vying for both titles. Shipperd was also contracted to coach NSW until the end of 2026-27.
Australia’s veteran white-ball legspinner Adam Zampa looms a possible free agent signing for Sixers after he did not re-sign with Melbourne Renegades.
Sydney Sixers contract list: Sean Abbott, Joel Davies, Ollie Davies, Ben Dwarshuis, Jack Edwards, Hayden Kerr, Josh Philippe, Lachlan Shaw, Jordan Silk, Steve Smith