Oh wait, THIS is the must-read of the day. Sorry Ron.
pitchers going through the order a fourth time see about a 7.5 percent increase to their runs allowed per inning — meaning there was more like a 10 percent chance that the Royals would score two or more runs against Harvey at that stage of the game.
Source: The Cost To The Mets Of Leaving Matt Harvey On The Mound | FiveThirtyEight