Which bowler overtook Wasim Akram's tally of 502 ODI wickets to become cricket's all-time leading ODI wicket-taker, a record he held through to his 2011 retirement?

Answer Explanation

Muttiah Muralitharan overtook Wasim Akram's ODI wicket tally and finished his career with 534 ODI wickets at his 2011 retirement, a record that has stood since.