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Most relievers who are moved at the trade deadline land on teams that are solidifying their rosters for a postseason run.
When the Cubs were rebuilding, they seized on that market demand by signing bounce-back candidates to one-year deals and trading them for prospects after a successful first half. This year, the Yankees targeted former Cubs right-hander Mark Leiter Jr., who is under team control through 2026, to help during a tight battle for the American League East and beyond.