the 2025 Indian Premier League (IPL) season, Anil Kumble holds the record for the best career economy rate. Representing Royal Challengers Bangalore from 2008 to 2010, Kumble maintained an economy rate of 6.57 over 160.5 overs bowled.
Following closely, Glenn McGrath achieved an economy rate of 6.61 during his stint with Delhi Daredevils in 2008. Muttiah Muralitharan recorded an economy rate of 6.67 while playing for Chennai Super Kings, Kochi Tuskers Kerala, and Royal Challengers Bangalore between 2008 and 2014.
It's noteworthy that Sunil Narine, representing Kolkata Knight Riders, has an economy rate of 6.73 over his IPL career spanning from 2012 to 2024.
These figures underscore the exceptional ability of these bowlers to restrict runs in the high-scoring environment of the IPL.