Quarter seam

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Quarter seam shown at right angles to main, stitched seam Cricket-ball-red-madeinaustralia (cropped).jpg
Quarter seam shown at right angles to main, stitched seam

The quarter seam is a small join which runs around a cricket ball at 90 degrees to the main seam. Unlike the main seam, the quarter seam has no stitching and is not raised above the surface of the ball. It is produced during the manufacturing process by the boundary between two pieces of leather forming each half of the ball.

Cricket ball hard, solid ball used to play cricket

A cricket ball is a hard, solid ball used to play cricket. A cricket ball consists of cork covered by leather, and manufacture is regulated by cricket law at first-class level. The manipulation of a cricket ball, through movement in the air, and off the ground, is influenced by the condition of the bowler and the pitch, while working on the cricket ball to obtain optimum condition is a key role of the fielding side. The cricket ball is the principal manner through which the batsman scores runs, by manipulating the ball into a position where it would be safe to take a run, or by directing the ball through or over the boundary.

Leather durable and flexible material created by the tanning of animal rawhide and skin

Leather is a durable and flexible material created by tanning animal rawhides and skins. The most common raw material is cattle hide. It can be produced at manufacturing scales ranging from artisan to modern industrial scale.

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Some fielding sides have been accused of deliberately interfering with the quarter seam, which would constitute illegal ball tampering.

Ball tampering Illegal action of altering the condition of a cricket ball

In the sport of cricket, ball tampering is an action in which a fielder illegally alters the condition of the ball. The primary motivation of ball tampering is to interfere with the aerodynamics of the ball to aid swing bowling.

Construction

Ball tampering

There have been accusations of ball tampering involving the quarter seam, which is against the laws of cricket and would constitute cheating. If fielding sides were to deliberately damage the quarter seam, it could alter the flow of air past the ball during a delivery, aiding swing bowling.

Cheating generally describes various actions designed to subvert rules in order to obtain unfair advantages. This includes acts of bribery, cronyism and nepotism in any situation where individuals are given preference using inappropriate criteria. The rules infringed may be explicit, or they may be from an unwritten code of conduct based on morality, ethics or custom, making the identification of cheating conduct a potentially subjective process. Cheating can refer specifically to infidelity. Someone who is known for cheating is referred to as a cheat in British English, and a cheater in American English. A person described as a "cheat" doesn't necessarily cheat all the time, but rather, relies on deceitful tactics to the point of acquiring a reputation for it.

Swing bowling is a technique used for bowling in the sport of cricket. Practitioners are known as swing bowlers. Swing bowling is generally classed as a subtype of fast bowling.

Ball tampering with the main seam usually involves picking at the threads of its stitching to enhance conventional swing when the ball is only a few overs old. In contrast, lifting the quarter seam on one side of an older scuffed ball would produce reverse swing. A lifted quarter seam could potentially be pushed back to its normal position before the end of the over, when the ball is due to be inspected by the umpires.

Over (cricket) in cricket, a set of six balls bowled by a single bowler from one end of a cricket pitch to the batsman at the other end

In cricket, an over consists of six consecutive legal deliveries bowled from one end of a cricket pitch to the batsman at the other end, almost always by a single bowler.

In cricket, an umpire is a person who has the authority to make decisions about events on the cricket field, according to the Laws of Cricket. Besides making decisions about legality of delivery, appeals for wickets and general conduct of the game in a legal manner, the umpire also keeps a record of the deliveries and announces the completion of an over.

During the fourth Test between England and Pakistan at The Oval in 2006, umpire Darrell Hair adjudged Pakistan to have tampered with the ball. Hair was seen pointing to the quarter seam while discussing the issue with his fellow umpire, Billy Doctrove. The umpires imposed a five-run penalty and replaced the ball. Play continued until the end of the session, at which point Pakistan objected to the decision and refused to play on, forfeiting the match. The International Cricket Council subsequently upheld the umpires' decision and the result of the match, but banned Hair from umpiring in international cricket. The incident remains highly controversial. [1]

Pakistan national cricket team National sports team

The Pakistan men's national cricket team, popularly referred to as the Shaheens, Green Shirts and Men in Green, is administered by the Pakistan Cricket Board (PCB). The team is a Full Member of the International Cricket Council, and participates in Test, ODI and Twenty20 International cricket matches.

The Oval cricket ground in Kennington, South London

The Oval, known for sponsorship reasons as the Kia Oval, is an international cricket ground in Kennington, in the London Borough of Lambeth, in south London. The Oval has been the home ground of Surrey County Cricket Club since it was opened in 1845. It was the first ground in England to host international Test cricket in September 1880. The final Test match of the English season is traditionally played there.

Darrell Bruce Hair is an Australian former Test match cricket umpire, from New South Wales. He stood on the International panel of umpires from 2002 to 2003, before he, along with fellow Australian Simon Taufel, and New Zealander Billy Bowden, was appointed to the ICC Elite umpire panel. After an ICC board meeting discussed his actions in a Test match between Pakistan and England in 2006 it was decided he should not umpire matches involving the test playing nations. He was restored to the Elite Panel by the ICC on 12 March 2008 and stood in the England v New Zealand tests at Old Trafford in May and Trent Bridge in June 2008.

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