TECHNOLOGY plays a huge part in the drama of modern spot.
And none more so than in cricket, with the Decision Review System (DRS) has been in operation for more than a decade – and has already played a huge part in the 2019 Ashes.
When was the DRS timer brought in?
SINCE first being tested in 2008, the DRS system has undergone a number of sweeping changes.
Designed as a way for players to check if an umpiring decision is incorrect, video technology including HawkEye and microphones are used to scrutinise the original call.
Teams have a 15-second window in which to challenge, which has been in force in international cricket for the past decade.
If a side doesn't review within the allotted time, then they cannot appeal the umpire's original decision.
Section 3.2.2 of the ICC's Test conditions says: "The total time elapsed between the ball becoming dead and the review request being made shall be no more than 15 seconds.
"If the on-field umpires believe that a request has not been made within the 15 second time limit, they shall decline the request for a Player Review."
TV companies have added the timer to their broadcasts in recent years as a way of increasing the drama.
How many reviews do teams get?
DRS differs depending on which form of the game is being played.
Since 2017, each team in a Test match innings are allocated TWO reviews.
When a side are unsuccessful with a review, they lose one.
Whilst if they review and a decision on the technology is deemed as 'umpires call', then they retain that review.
After 80 overs, the amount of reviews are no longer reset – this was the case before changes made in 2017.
In ODI and T20 cricket, in each innings sides receive just ONE review.
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