One Critical Mistake All 30 MLB Teams Must Avoid Making in 2015-16 Offseason

The MLB offseason is an exciting time to be a baseball fan. All 30 teams are hard at work tweaking their rosters for the upcoming season, and the rumor mill gives fans plenty to debate on a daily basis.

However, it's also a time when costly mistakes tend to be made.

From overpaying for a free agent to failing to address a glaring need, there are plenty of opportunities to make a franchise-altering decision in the offseason, both for the good and the bad.

So, with that in mind, here is a look at the one critical mistake all 30 MLB teams must avoid making this offseason.

Begin Slideshow