Some people here are too salty. Haha.
On Ashwin Jadeja point, I would like to say that Ash bowled poorly vs Australia where conditions were helpful but still his overall performance wasn't that good.
So, we can certainly say that it does require a certain skill set to do well even in India for spinners and not all can be successful there unless what the pitches were Vs SA but it wasn't the case Vs everyone.
Now irrespective of stats,it is also a fact that Ashwin bowled really well Vs England when pitches were flatter. He was definitely better than his AVG of 29 there.
Yeah. It's nonsense to say you need skills to bowl in England but not in India.
Jeetan Patel, Santner, Craig averaged 40-60 in the 2016 series.
Lyon averaged 37 in the 2013 series (which included 2 rank turners).
The great O Keefe averaged 50 in the rest of the 3 games post Pune.
Ashwin averaged 50+ in 2012 England series.
Lyon on his 2nd tour to India, averaged 23 cos he bowled way better. O Keefe averaged the same but that was due to the first game heroics than consistent performances.
The only tour where visiting spinners averaged great just for showing up was during SA series where Tahir, Simon and co averaged 20. In the flatter tracks (Bangalore and Delhi), they averaged 70. In that tour, our spinners averaged 11 and 13 with low 20s average in those flatter tracks. lol.
Our spinners have been doing the job at home for a long time.
And yes, Ash was good in England series. Averaged like 23 after 4 tests (others were averaging above 30 except Rashid I think) but was a bit unlucky in 5th test last innings. Post that Jaddu has gone up a notch or two while Ash was mostly poor (probably due to injury).
Coming back to the topic, historically, the toughest pair competition comes down to:
Wasim-Waqar Vs Ambrose-Walsh Vs McGrath-Warne Vs Donald-Pollock
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