- Dan Szymborski, ESPN Insider
With just a month until pitchers and catchers report for spring training, most of the heavy lifting of the winter has been done. There are a few solid free agents left in Michael Bourn, Kyle Lohse and Rafael Soriano, and there's still a Justin Upton trade out there to have, but on the whole, most of the biggest opportunities have already been taken. It's a zero-sum game, so one team's improvement comes at the misfortune of other teams. While there's still time to move the needle a bit, it's clear which teams didn't take advantage of the opportunities present in the offseason. Here are my top five.
Dan Szymborski looks at the teams that have missed big opportunities to improve this winter.