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In the sport of cricket, a nightwatchman is a lower-order batsman who comes in to bat higher up the order than usual near the end of the day's play. The nightwatchman's job is to maintain most of the strike until the close of play (remaining in overnight, hence the name) and so protect other, more capable batsmen from being out cheaply in what may be a period of tiredness or in poor light at the end of the day. A Nightwatchman can be replaced by the regular order batsman the following morning even if the nightwatchman remains not out the previous evening. The nightwatchman will continue to bat at his usual place in the batting lineup. The theory is that losing two top-order batsmen in quick succession would be worse than losing one top-order batsman and a tailender.
However the nightwatchman's effort is not considered to be wasted, nor are they expected to play foolishly; otherwise they would not last very long. The role of nightwatchman is generally given to players who emphasise defensive technique over quick run-scoring. However, there have been occasions when nightwatchmen have made a big score, and six have made centuries in test matches. Generally speaking, the nightwatchman plays conservatively on the night, but the next day may be allowed a freer role to score runs.
The tactic has its drawbacks - if the nightwatchman gets out before the end of the day, the batting team may need to send out a more capable batsman to prevent the loss of further wickets, thereby costing the team a wicket while negating any benefit from using the nightwatchman; and even if the nightwatchman does survive until the end of the day, the beginning of the next day's play will see refreshed bowlers with better light facing a less capable batsman. As a result, not all captains use the tactic; Steve Waugh, for example, abandoned the tactic during his captaincy of Australia.
The nightwatchman is not to be confused with the pinch hitter, a middle to lower order batsman who is promoted up the order in limited-overs games, or in tests where their team is looking for a quick declaration, in the pursuit of quick runs without too much concern for their wicket.
Sometimes, in the right circumstances, a nightwatchman might be sent out to protect openers. An example of such a tactical move comes from 2nd Test between Sri Lanka and England in 2018 – on 15 November, at the end of day 2, left-armer Jack Leach, normally a tailender, opened the batting in England's 2nd innings with just one over left to play in the day. Leach survived till stumps and was eventually dismissed the next morning for 1 off 11 balls.
Test centuries by nightwatchmen
|Nasim-ul-Ghani||Pakistan||101||England||Lord's, London, England||1962|
|Tony Mann||Australia||105||India||WACA Ground, Perth, Western Australia||1977|
|Syed Kirmani||India||101*||Australia||Wankhede Stadium, Mumbai, India||1979|
|Mark Boucher||South Africa||125||Zimbabwe||Harare Sports Club, Harare, Zimbabwe||1999|
|Mark Boucher||South Africa||108||England||Sahara Stadium Kingsmead, Durban, South Africa||1999|
|Jason Gillespie||Australia||201*||Bangladesh||Chittagong Divisional Stadium, Chittagong, Bangladesh||2006|
There has been debate about whether Nasim-ul-Ghani (who later opened in a Test) and wicketkeeper Boucher were genuine nightwatchmen – however, in the matches in question they both came in at No. 6, at the end of the day, ahead of more recognised batsmen, and Cricinfo considers them to have been nightwatchmen.
Alex Tudor (England) was close to making a century as a nightwatchman; he made 99 not out against New Zealand in 1999 at Edgbaston, and was stranded one run short of a maiden test century when Graham Thorpe got the total to the point where Tudor would’ve needed a six to reach a century. Tudor then hit the winning runs with a four, leaving him on 99*.
- English, Peter (17 October 2004). "A nightwatchman to remember". ESPN Cricinfo. Retrieved 12 April 2012.
- "2nd Test, England tour of Sri Lanka at Kandy, Nov 14-18 2018". ESPN Cricinfo. Retrieved 16 November 2018.
- "Records – Test Matches – Batting Records – Most runs in an innings by a nightwatchman". ESPN Cricinfo. Retrieved 19 December 2016.
- "Records | Test matches | Batting records | Most runs in an innings by a nightwatchman | ESPN Cricinfo". Cricinfo. Retrieved 1 October 2017.
- The Nightwatchman in Test Cricket: A Follow-up Analysis – A review on the effectiveness of using nightwatchmen
- The Myth of the Nightwatchman – Statistical analysis aiming to debunk the concept of nightwatchman