Amir scythed through the Royals top-order with a sensational spell of seam bowling upfront by snaring four wickets in the Powerplay.
Mortaza endured a torrid run in the 50-over marquee event where he managed a solitary wicket across eight games.
'I still have that love for the game and that passion for the game as well. And I would love to carry on as long as possible' - Gayle
Skipper Shanaka scored 75 off 31 before bowlers steamrolled Rangers' batting line-up
Kayes scored 61 off 38 balls whereas Walton made 49 off 30 balls as Challengers won
LPL draft: 8 Pakistan players picked, Gayle joins Kandy, Russell goes to Colombo
Abdullah Shafique gets maiden call-up; Sarfaraz Ahmed, Shoaib Malik dropped for Zimbabwe series
National T20 Cup: Three-way race to the last semi-final spot
Misbah-ul-Haq quits as Pakistan chief selector, will continue as head coach
PCB presents financial draft proposal to PSL franchise owners
Umar Gul calls time on his professional career
Mohammed Siraj record spell sparks total capitulation of KKR
PCB issues warning after nine players and three officials violate Covid-19 protocols
Quaid-e-Azam Trophy: Hasan Ali, Ahmed Shehzad return, Yasir Shah named Balochistan captain
Zimbabwe T20Is moved to Rawalpindi, PSL games to be staged in Karachi due to smog