MLB contenders must seize opportunities to add impact players prior to the 2013 non-waiver trade deadline. They face ultimatums as July winds down: Complete blockbuster deals to address glaring weaknesses, or risk having those weaknesses exploited down the stretch.

Five teams in particular feel the urgency to find solutions for specific needs. Of course, their challenge is fending off the other dozen or so clubs that feel postseason competition is still a possibility.

All of the veteran targets included in this article—such as Jake Peavy, Alex Rios and Ervin Santana—are ones who could realistically be moved.

We’ll spend the next few slides imagining what prospects/controllable players the league’s top teams would be willing to sacrifice in an effort to bolster their rosters now.

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