NL East Hot Stove Preview: Braves, Nationals battle for supremacy

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Evan Gattis (left) is just one option to replace seven-time All-Star Brian McCann at catcher in Atlanta.

Evan Gattis (left) is just one option to replace seven-time All-Star Brian McCann at catcher in Atlanta.

The Mets haven't tasted much success lately but getting a star like Shin-Soo Choo would help.

The Mets haven't tasted much success lately but getting a star like Shin-Soo Choo would help.

Bottom Line: Miami doesn't need to upgrade everywhere in one winter -- the franchise is more than one season away from contending -- but it needs to start filling holes either through trades or strategic free-agent signings. New GM Dan Jennings has said Stanton won't be moved, but first baseman Logan Morrison, closer Steve Cishek and any other asset who has value should be shopped.