It was in 2015, after the first powered exo-skeletons were permitted, that fast bowling began to regularly exceed 200 mph.
Batsmen increasingly resembled medieval knights in their kevlar-titanium armour, but their own powered augmentation meant they could run between the wickets even faster than before.
Soon, test match cricket became too fast for unaided human vision to follow and Sky resorted to broadcasting in ultra slo-mo.
A crisis, however, ensued when both bowling and running exceeded Mach one and stadiums had to be evacuated due to the dangerous shock waves. There was a proposal to move the 2020 test to the vacuum of the Moon, but this was rejected as making sledging too difficult ..