The 50 players on these two World Series rosters will be tested over the next seven games, they will be examined in minute detail, and the things they do will influence everything we remember about them for the rest of their careers and beyond.
But this is where they stand today: Here is your guide to all 50 players we anticipate will be on the Houston Astros and Washington Nationals in the 2019 World Series, organized by how prominently each should figure into his team's hopes and plans.
In his five years with the Nationals, Scherzer has thrown the most innings in baseball, has the second-best ERA by any starter, has the third-best FIP of any starter and has the most WAR (FanGraphs or Baseball Reference model) of any starter.