Originally Posted by Arjun
That one over by Sehwag could have cost the Indian team the semi-final. Four dreadful Sanath overs, his reputation as a stock bowler notwithstanding, did cost the Lankans an entry to the semi-finals. With just four overs per bowler and a full twenty, a bad over shows up, and how.
One over can obviously be very important in the context of a match. But regardless of the format, two or three overs is hardly a good enough sample size to judge how good a bowler actually is or will perform over a longer time. You can make a judgement on how successful he has been so far, obviously, but you can't use it as an accurate judgement to state his ability.