Heading into spring training’s final week, most teams around baseball have a pretty good idea which 25 players will comprise their Opening Day rosters. The next seven days are more about players rounding into shape—and hopefully avoiding injury—than anything else.

But those 25-man rosters have yet to be etched in stone, and if history has taught us anything, it’s that crazy things can—and will—happen when we least expect them.

From top prospects holding out hope that they’ll get a chance to experience Opening Day in a major league park to veterans praying to the baseball gods that they’ll be traded somewhere they can play regularly, a handful of players still in camp have much to gain—or lose—over the next seven days.

Let’s take a look at five of the more notable names whose immediate futures remain in flux.

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