Official Worldwide Cricket Council Web Site
Batters take turns to bat via a batting order which i s decided beforehand by the team captain and introduced to the umpires, although the order remains flexible when the captain formally nominates the team. Substitute batters are typically not allowed, except in the case of concussion substitutes in international cricket. A bowler reaches his supply stride by the use of a "run-up" and an over is deemed to have begun when the bowler begins his run-up for the primary supply of that over, the ball then being "in play". Fast bowlers, needing momentum, take a prolonged run up whereas bowlers with a slow supply take no more than a few steps before bowling. The fastest bowlers can deliver the ball at a velocity of over a hundred forty five kilometres per hour they usually typically rely on sheer pace to try to defeat the batter, who's forced to react in a quick time. Other fast bowlers depend on a mixture of speed and guile by making the ball seam or swing (i.e. cur