Doosra

A doosra is a particular type of delivery by an off-spin bowler in the sport of cricket, invented by Pakistani cricketer Saqlain Mushtaq. Doosra is a word which means "(the) second (one)", or "(the) other (one)" in Urdu. Saqlain Mushtaq has also claimed to have invented a variant of the doosra, which he calls the "teesra", meaning "(the) third (one)".