Where does this come from, and can I check it?

The Decision Review System was trialled in a series between India and Sri Lanka. The figure is taken from International Cricket Council, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a sports fact?

Yes. It sits on the Sports shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

Video reviews reached Test cricket in 2008

The Decision Review System was trialled in a series between India and Sri Lanka The DRS combines ball tracking, sound detection and slow motion, and players ask the umpire to review a decision. It was trialled in 2008 and later written into the playing conditions. Teams usually get two unsuccessful reviews per innings, and a call stands if it is only marginally wrong, the so-called umpire's call. It sits in Mondo's sports collection, one of 200 facts that each trace back to the reference below.

Where this comes from

International Cricket Council

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Technology trivia

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Tags: cricket, technology, umpiring

Video reviews reached Test cricket in 2008: the short answers

Where does this come from, and can I check it?: The Decision Review System was trialled in a series between India and Sri Lanka. The figure is taken from International Cricket Council, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a sports fact?: Yes. It sits on the Sports shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.