As the MLB trade deadline approaches every year, rumors swirl about what big names will be on the move.

I barely even remembered Alex Rodriguez almost ended up with the Boston Red Sox back in 2003 before the MLBPA shot it down. Can you imagine how differently things could have turned out around the league?

It’s fun to look back on trades and think about “what could have been” after seeing how some of the prospects turned out a few years down the road. So many teams make trades that look horrible in the long run (see: Pittsburgh Pirates), but there are just as many cases where trades fall through that would have been great for those teams.

The following 10 trades were all at one point in time in the works before being declined or falling apart—and they all could have reshaped MLB as we know it.

Here are 10 trades that almost happened (but never did).

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