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
Azhar Ali, Sarfaraz Ahmed lead respective sides in intra-squad warm-up game
Second group of Pakistan cricketers to leave for England on Friday
'Plans underway to stage remaining PSL matches this year' - PCB
Six players eligible to join Pakistan squad after second negative test in three days
Pakistan squad in England test negative for coronavirus
PSL Schedule Live Streaming and PSL 5 Matches Details
Match-fixing: PCB replies to concerns of Danish Kaneria and Saleem Malik
Shannon Gabriel officially added to West Indies Test squad
Asia Cup 2020 postponed to next year
Former Pakistan Test player Khalid Wazir passes away at 84