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
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