Nightwatchman Nathan Lyon bowled by Mohammed Sharmi last week. AAP/ David Mariuz
By Tim Trudgian, Australian National University
Imagine you are captain of the national cricket team. With 20 minutes left in day one of a test match, your top-order batsman is dismissed. Do you employ a nightwatchman? That is, do you send in a tail-end batsman to see out the bowling until the end of the day’s play and protect your top-order?
Well, a little bit of math can show you that you shouldn't.