He reached the number-one spot after bowling Pakistan to a 75-run victory over England in the first Test at Lord’s on Sunday.
Yasir, who returned with figures of six for 72 and four for 69, has leapfrogged India spinner Ravichandran Ashwin and England’s fast bowling pair of James Anderson (who missed the Test due to an injury) and Stuart Broad into the top spot after his achievement earned him 32 points.
Yasir won the player of the match award in his first Test outside Asia and now leads Ashwin by
seven points and Anderson by 10 points. For England, Jonny Bairstow and Gary Ballance have improved their rankings.