Both batsmen put on a wonderful display of crafting an innings, pushing their side to a six-wicket victory to see them in finals.
This will be Yasir's second stint in a foreign T20 league.
Sheldon Cottrell picked up three wickets but Gayle was announced as man of the match for his stellar performance with the bat
The West Indies opener's 84* off 40 balls sealed the deal for Guyana Amazon Warriors against Jamaica Tallawahs in the 28th match of the season
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Hasan Ali returns to Test side, Pakistan name nine uncapped players for South Africa series
Ben Dunk leaves Melbourne Stars midway through Big Bash League
Hasan Ali, Mohammad Nawaz, Imran Farhat among captains named for Pakistan Cup
PSL 2021: Alex Hales traded to United, Colin Ingram to Kings; Zalmi release Hasan Ali
Heinrich Klaasen named captain of second-string South Africa squad for Pakistan T20Is
Injury-afflicted Rumman Raees roped in as bowling consultant for Islamabad United
Umar Gul appointed Quetta Gladiators bowling coach
'Our security guys have said it is safe' - Boucher excited about historic Pakistan tour