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
PSL Schedule Live Streaming and PSL 5 Matches Details
Pakistan Under-19 team claims a dominant win in their opening World Cup game
Mushfiqur Rahim opts out of Pakistan tour
Haris Rauf earns maiden call-up for Bangladesh T20Is
Amir's record spell trumps Malik blitz to power Khulna Tigers into BPL final
De Villiers will be welcomed back to South African side, says Faf du Plessis
MCC to play against Multan Sultans and Lahore Qalandars, confirms PCB CEO Wasim Khan
Kagiso Rabada handed one match suspension for breaching ICC Code of Conduct
Sana Mir left out as Pakistan announce T20 World Cup squad
Tendulkar, Walsh named coaches for bushfire relief match between Ponting XI and Warne XI