Noun
doosra (plural doosras)
(cricket) A type of ball, bowled by an off-spin bowler, that, unlike a normal off break, spins from leg to off for a right-handed batsman; the off-spinner's version of the googly.
Synonym: one that goes the other way
Based on the recommendations the ICC issued a new guideline (which was effective from 1 March 2005) allowing for extensions or hyperextensions of up to 15 degrees for all types of bowlers, thus deeming Muralitharan's doosra to be legal. Source: Internet
Muralitharan's mean elbow extension angle for the doosra delivery was 14°, which was subsequently reduced to a mean of 10.2° after remedial training at the University. Source: Internet
Muralitharan once again showed he could bowl all his deliveries including the doosra with an arm brace that prevents any straightening of his elbow. Source: Internet
Orthopediatrician Dr Mandeep Dillon stated that Muralitharan's unusual ability to generate extra movement both at the shoulder as well the wrist enables him to bowl the doosra without straightening the elbow. Source: Internet
The findings reported to ICC by the University of Western Australia 's study citation was that Muralitharan's doosra contravened the established ICC elbow extension limit of 5° for spinners. Source: Internet
He had not yet mastered the doosra. Source: Internet