They didn't have to do this.The best team in baseball already boasts the best pitching staff in baseball - the lowest ERA, WHIP and batting average against in the majors. Without any changes, these Dodgers would have gone into the postseason as a championship favorite.Despite what you might have heard (or read) - or feared in the darkest corner of your thoughts - the Dodgers' once-in-a-generation domination of the National League this summer is not necessarily a once-in-a-generation opportunity like it might be in another city.