If you are reading this, you probably know that Chris Carpenter will reportedly miss his Opening Day start for the Cardinals. No length of time missed has been mentioned yet, but this obviously hurts St. Louis. You may or may not have heard that Roy Halladay is Chris Carpenter’s friend, but I am sure players all over the league are concerned about a loveable guy like “Carp. [Heard this: Zack Greinke is organizing a fruit basket with donations from other National League Central players.]
Despite losing Albert Pujols, the Cardinals actually had a pretty nice off-season, with Lance Berkman re-signing and Carlos Beltran being added to the outfield. Losing Albert Pujols hurts, but the National League Central is not exactly the American League East. While it is a mistake to note one change from year-to-year and hold everything else constant, it is worth remembering that the Cardinals won the World Series with an even better pitcher — Adam Wainwright — out the whole season with injury.
Everyone agrees, of course, at that the Carpenter injury is worrisome for the Cardinals. But just how much will it hurt the team? Sabermetrically-oriented analysts will (or should) point out that these things matter less than some think they do. Why is that? Rather than giving a complete rundown of all the reasons, or a full primer on replacement level, let’s use this Carpenter situation as an opportunity to go over replacement level (among other things).
Read the rest of this entry »