"This is just something that is unbelievable. And when I first found out about it I actually started crying because,um,I'm gonna now too, because it is such a help."
VOA: standard.2010.02.20
First, because in light of the Lance Armstrong discussion, sports fans and casual observers alike are more prone to be skeptical of any and all athletes these days when something so sensational and unbelievable gets reported.
When Marshall described great feats like Len Hutton's innings of 364 in 1938, he did so without the support of an expert summariser - something which would be almost unbelievable to today's generation of commentators.