Yankees acquire Starlin Castro from Cubs for Adam Warren and

Adam Warren Retires, Open To Coaching Opportunities - MLB Trade Rumors

Yankees solidify second base with Cubs' Castro

The Cubs' Trade for Aroldis Chapman Should Make You Uncomfortable - The Ringer

Rosenthal: Cubs in 'Bind,' Need to Clear Money Even to Afford Adam Warren - Cubs Insider

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Ex-Cubs Aroldis Chapman, Starlin Castro await Wrigley welcome as Yankees head to Chicago – New York Daily News

Yankees trade closer Aroldis Chapman to Cubs

Cubs trade Starlin Castro to Yankees, agree to four-year deal with Ben Zobrist

Adam Warren traded from Yankees to Mariners

Chicago Cubs trade IF Starlin Castro to Yankees for P Adam Warren

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