The errors increased as the final whistle drew closer and both sides had to be content with the draw.

BBC: Dragons 3-3 Wasps

It rocked Sharapova and, after needing a time-out for medical attention on her ankle, the errors increased and Clijsters sensed her opportunity.

BBC: Kim Clijsters beats Maria Sharapova in Cincinnati final

Human error is an inevitable part of their job, but, nervous and under pressure, the errors have increased.

BBC: Corinthians have the Brazilian title within their sights