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Jim Mone/Associated Press

You don't see many blockbuster MLB trades go down in April.

However, that doesn't mean that teams aren't already doing their due diligence and laying the groundwork for potential summer trades here in the early stages of the season.

So it's only right that we do the same.

Ahead is a look at five significant trades that teams should already be thinking about, even if the wheels aren't set in motion for a few more months.

These trades will address an early need or an expected long-term issue for five perceived contenders.

Offering up a specific return package seemed silly this far removed from when the trades would potentially come to fruition, but an idea of the level of talent it would take to swing a deal was provided.