Winnipeg Hawks rode on the brisk half-centuries from Shaiman Anwar and JP Duminy to secure a berth in the GT20 final.
JP Duminy's 41-ball 85 helped Winnipeg Hawks edge past Toronto Nationals by two runs on D/L method.
Brampton Wolves suffered a stunning collapse which saw them being bundled out for 103 from a comfortable position at 65-1.
Heinrich Klaasen's unbeaten contribution of 64 off 34 balls pipped Montreal Tigers to qualify for the playoffs.
McCullum finishes his career as T20 cricket's second-highest run-scorer, behind Chris Gayle in the distinguished list.
Chris Green snapped up two wickets and later contributed 30 runs in his side's comfortable chase of 137.
Daniel Sams' exquisite spell of 4-25 was backed by steady knocks from Shoaib Malik and Chadwick Walton to award Vancouver with yet another win.
Mohammad Hafeez and Anshy Rath were the heroes of the Royals' towering chase as the duo struck quickfire fifties to flatten the Hawks.
George Munsey's fluent 36-ball 66 came out on top against Yuvraj Singh's rapid half-century as the Nationals lost by 11 runs.
Hasan Ali getting ready for his wedding
Saqlain Mushtaq shows interest in coaching Pakistan Under-19 team
Anderson misses out as England announce unchanged squad for third Test
Shahid Afridi still working hard
Concussed Smith's substitute Labuschagne shines as Australia draw second Ashes Test
Zalmi Chairman receives a prestigious civilian award
Australia withstand Archer pace assault to maintain series lead
Amir performs in his career's final red-ball game
Styris reveals two of the most gifted Indian all-rounders
PSL 2019 - PSL Schedule with all PSL 4 matches and schedule for all franchises