How do you measure a pitcher’s impact on a team? Is his impact equal to his WAR total? Is it about performance in big moments—should we look to Win Probability Added? Or do some pitchers do more for an organization than can be captured in the numbers, coming in and altering their team in a basic way, and leaving it better than it was when they arrived?
To measure Chris Archer’s impact on the Rays, you have to go back to the man the Rays traded away to get him.
Matt Garza was a complete pitcher.