The Third Umpire: How Video Review Changed Cricket Officiating
The history of the third umpire in cricket — its 1992 introduction in South Africa as the first use of television replay in official decisions, the initial role of run-out and stumping reviews only, the expansion to caught-behind decisions and LBW via DRS from 2009, the technology supporting the third umpire's decisions, and controversies about the role's scope and the limits of technology.
The 1992 Innovation: First TV Umpire
The third umpire (initially called the 'TV umpire') was introduced in international cricket in November 1992, during the Test series between South Africa and India in Durban, South Africa. The first third-umpire decision in cricket history was a run-out review — Sachin Tendulkar, who was adjudged not out on the field, was referred to the TV umpire, who confirmed the original decision using television replays. This moment — the first use of video technology for an official cricket decision — established the principle that television evidence could be used to assist (and potentially override) on-field umpire decisions for specific close calls.
The initial third umpire scope was deliberately limited: only run-out and stumping decisions could be referred, and only when the on-field umpire was genuinely unsure. The on-field umpire could not refer catches or LBW decisions — these remained exclusively under on-field jurisdiction. The rationale for this limitation was both technical (broadcast cameras of the early 1990s were insufficient for catching ball-on-bat determination) and philosophical (some cricket administrators preferred to preserve the human-judgment character of umpiring and viewed technology as supplementary rather than primary).
Expansion and the DRS Era
Between 1992 and 2009, the third umpire's role expanded incrementally: boundary-line decisions (was the fielder in contact with the boundary when catching or touching the ball?) were added in the mid-1990s; close fielding decisions (was it a clean catch or a bump ball?) were considered case-by-case. The 2009 introduction of the Decision Review System (DRS) transformed the third umpire from a passive referral target to an active decision-making role with a toolkit of technologies: Hawk-Eye for ball tracking, HotSpot for edge detection, UltraEdge for audio analysis.
DRS gave teams the right to 'challenge' on-field decisions — specifically LBW, caught-behind, and other dismissal decisions — subject to review limits. The third umpire became the arbiter of these challenges, using the technology suite to assess the available evidence. This shift fundamentally changed the on-field umpires' role: they now make their best judgment knowing it may be reviewed, and the risk of a clearly wrong decision on ball-tracking or audio evidence is significantly reduced. The third umpire's role has expanded to include an 'over-rule' function — if the third umpire notices an obvious on-field error through their monitoring camera feeds (e.g., a no-ball that was missed on the field), they can communicate this to the on-field umpires.
Scope and Limitations
The third umpire cannot make all decisions — their scope is defined by the ICC's Playing Conditions. They cannot review LBW decisions unless a team has requested a review. They cannot intervene in on-field disciplinary matters (player behaviour is the on-field umpires' and match referee's domain). They can only intervene on specific reviewable categories. The 'umpire's call' mechanism (where the third umpire's technology shows a marginal result insufficient to overturn the on-field decision) maintains the on-field umpire's authority in a specific band of close decisions — a deliberate design choice to preserve some on-field authority within the DRS framework.
Frequently asked questions
Can the on-field umpires refer a decision to the third umpire themselves?
Yes — the on-field umpires can refer certain decisions to the third umpire without a team requesting a DRS review. Specifically: boundary-line decisions (was the fielder in contact with the rope when catching or stopping the ball?) are routinely referred by the on-field umpire to the third umpire for camera confirmation. Run-out decisions where the on-field umpire is unsure can also be referred. The on-field umpire cannot refer LBW decisions on their own initiative — LBW reviews are only available through the team's DRS challenge system.
How does the third umpire communicate decisions?
The third umpire communicates with the on-field umpires via an earpiece radio communication system. The third umpire's instruction ('out,' 'not out,' 'insufficient evidence — refer to on-field umpire') is transmitted to the on-field umpire, who then signals the decision to the players and scorers using standard umpire signals. The ground's electronic scoreboard and broadcast displays show the same decision — 'OUT' or 'NOT OUT' — simultaneously with the umpire's signal. There is typically a 20-40 second delay between the review request and the decision being communicated, during which the third umpire is reviewing the available camera and technology feeds.
Has the third umpire ever made a wrong decision that was later confirmed incorrect?
Yes — technology-assisted decisions have still produced incorrect outcomes in specific circumstances: when HotSpot fails to detect a faint edge (and the third umpire rules 'not out' on a genuine edge), when UltraEdge sound analysis is ambiguous (bat touching the pitch creates a similar sound to a faint edge), or when camera frame rates are insufficient to definitively determine whether the batsman's bat was grounded before the bails fell. These technology limitations mean DRS decisions are not infallible — they are significantly better than unaided human judgment in most cases, but a small percentage of reviewed decisions remain genuinely ambiguous even with the full technology suite.