MLB teams have used the 2012-13 offseason to position themselves for immediate or eventual success. Grades on the following report cards reflect how sensibly they prepared for 2013 and beyond.
Aside from free-agent signings and trade acquisitions, this slideshow takes contract extensions and missed opportunities into account.
The "new faces" named atop each summary include players who were with other organizations the previous season. Barring serious injury, all of them will see active duty this coming summer (though not necessarily on Opening Day).
More movement is inevitable, but up to this point, let's ranks the clubs based on what they have done to improve.