LUCKNOW, April 1 -- Mayank Yadav's searing pace has got the cricket world talking. Four rapid overs - the speedometer hit a high of 155.8 kph and regularly crossed the 150 kph mark - are responsible for the sudden attention as Yadav, 21, claimed 3/27 on debut to hand Lucknow Super Giants a 21-run win against Punjab Kings....