The offseason is not over just yet, but several NFL teams have already made huge improvements.
Some made their roster upgrades through the draft, while others captured some of the top players in free agency. While many have made improvements, six teams stand out from the rest as this offseason's savviest.
Not every one of these teams signed three top free agents or put together a star-studded draft class. Each however, made a few (or, in some cases, more than a few) key additions that will have a direct and positive impact in 2014.
Here's a look at the six teams that have had the best offseason to date.