Most controversial decision in cricket history

Underarm Delivery (1981) Australia needed six runs off the final ball to defeat New Zealand in an ODI match that took place in 1981. The Australian captain Greg Chappell ask his brother Trevor Chappell to bowl an underarm delivery that rolled along the field, preventing the New Zealand batsman from hitting a six. The decision was widely criticised and since then the underarm delivery has been banned in international cricket.

Inzamam-ul-Haq's run-out, 1999 Inzamam-ul-Haq, a Pakistani batsman, was run out by Australian bowler Glenn McGrath during Pakistan and Australia's 1999 World Cup match. The run-out was highly controversial as Inzamam and Australian wicketkeeper Adam Gilchrist collided and the third umpire gave decision in the Australians' favour.

Ball Tampering at the Oval Test, 2006 The accusation of ball tampering by Pakistan against England in the fourth Test at The Oval in 2006 by the umpires Darrell Hair and Billy Doctrove was the most contentious call in cricket history. After changing the ball and awarding England five more runs, Pakistan refused to resume play after tea. This was the first time in Test cricket history that Pakistan had forfeited a match, according to the umpires.

Sydney Test, 2008 A test match between Australia and India in 2008 in Sydney was marred by controversy. The dismissal of Indian batsman Sourav Ganguly was one of many dubious decisions made by umpires Steve Bucknor and Mark Benson.

World Cup Final, 2019 There was a lot of controversy in the 2019 Cricket World Cup final between England and New Zealand. When England required nine runs to win from three balls in the final over of the game, was one of the most critical moments. Ben Stokes raced for two after hitting the ball to deep midwicket. The ball struck his bat as he dived to make his ground for the second run, the ball deflected off to the boundary, giving England an additional four runs.