In their last meeting, the Zalmi got the better of the Kings by six wickets.
Lahore Qalandars have nearly been knocked out of the tournament, though they still have an unrealistic mathematical chance.
The Kings need a win in their last league match to have any chance of qualifying for the next round.
Zazai notched a 15-ball half-century, making sure that the Zalmi scored 76 runs in the powerplay.
The Qalandars went down to the Islamabad United in their previous game after a shambolic batting collapse.
Shimron Hetmyer appeared in a jovial mood during his last match in PSL.
Babar stayed unbeaten on 85 off 63 with five fours and four sixes, but his knock wasn’t enough for the Kings to win.
Babar Azam has scored the most runs in the PSL matches between Karachi Kings and Multan Sultans.
Babar Azam was in phenomenal touch in the initial half of PSL 2021.
Shaheen Afridi bowled an absolute peach that cleaned up Babar Azam.