Cubs trade Starlin Castro to Yankees, agree to four-year deal with Ben Zobrist
Cubs non-tender OFs Kyle Schwarber, Albert Almora Jr.
Ben Zobrist discusses time with Cubs, future
Chicago Cubs reach agreement with former St. Louis Cardinals outfielder Jason Heyward on eight-year deal - Los Angeles Times
Ben Zobrist, Chicago Cubs agree to terms on 4-year, $56 million deal - ESPN
Ben Zobrist on the best free-agent decision he ever made, his comeback season and why the Cubs are annual contenders - The Athletic
Ben Zobrist, Chicago Cubs agree to four-year contract - Sports Illustrated
Good News: Mets Lose Out on Ben Zobrist - The New York Times
Ben Zobrist, Cubs agree to four-year contract
MLB: Cubs sign Zobrist, deal Castro to Yankees
Ben Zobrist plans return to Cubs; here's a timetable
Cubs Offseason Questions: What Changes Will 2019 Bring? – NBC Chicago