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
Six players test negative in coronavirus retests; Pakistan announce 20-member squad
Shadab Khan, Haider Ali and Haris Rauf test positive for coronavirus
PCB conducts COVID-19 tests of five reserve players
Ross Taylor open to a possible PSL stint in the future
Seven additional Pakistan players test positive for coronavirus
Six players eligible to join Pakistan squad after second negative test in three days
'Plans underway to stage remaining PSL matches this year' - PCB
England name 30-man training group for West Indies Tests; Moeen Ali makes a return
Hafeez tests negative for coronavirus a day after being declared positive by PCB
AB de Villiers returns as captain in three-team format to restart South African cricket