Sydney Thunder looked set to coast to victory but Daniel Sams' poor final over almost gifted Perth Scorchers an unlikely win.
A target of 176 proved beyond the reach of Sydney Thunder on Monday as Adelaide Strikers claimed their second win of the BBL season.
Jos Buttler made 89 - the highest score in this season's BBL so far - but Sydney Thunder still lost to Hobart Hurricanes on Friday.
The first Sydney derby of the 2018-19 BBL was won by Sydney Thunder, thanks largely to a quickfire 63 from Jos Buttler.
It was a day to remember for BBL debutant Jason Sangha as the Sydney Thunder overcame the Melbourne Stars.
All eyes will be on Cameron Bancroft when the Australia opener returns from a nine-month ban in the Big Bash League.
Jos Buttler and Joe Root will play for Sydney Thunder in the Big Bash League between England's tours to Sri Lanka and West Indies.