Land bridges were everywhere during the extinction, many species were spreading, and there were many diseases.
“Umpires, like players, are expected to show constant improvement each season and at each level. Inconsistent plate work and the inability to handle situations are probably the two biggest problems that minor league umpires face.”
“That's driven by any number of factors, the most prominent of which have been the combat experience of two major campaigns - one in Afghanistan and the other in Iraq - and the ongoing demands of the global war on terrorism.”