Among Wrist Spinners who have bowled atleast 150 balls to lefties:

▶️ Kumble has the best relative economy; concedes 1.8 runs less than all other wrist spinners
▶️ Rashid Khan, Rahul Sharma and Karn Sharma are the only others to have a difference of more than 1 2️⃣#Cricket #ipl pic.twitter.com/vj3JRnmQ1Z

— Deepak Kumar Panda (@Deepsdkp) July 16, 2020