Washington Nationals reportedly sign Starlin Castro to 2-year/$12M deal to play second base in D.C. - Federal Baseball
Yankees solidify second base with Cubs' Castro
Chicago Cubs don't plan to trade shortstop Starlin Castro before July 31 deadline - Sports Illustrated
Starlin Castro - MLB News, Rumors, & Updates
Yankees Midseason Report Card: Infielders
Milwaukee Brewers: Starlin Castro demands a trade?
Final word (for now) on possible big NY Mets/Chicago Cubs trade; big loss for Yankees – New York Daily News
Yankees trade Aroldis Chapman to Cubs
Evaluating the Yankees' Trade for Starlin Castro