OAKLAND ATHLETICS — Promoted Ed Sprague to director of player development and Keith Lieppman to special advisor to player development.
CHICAGO CUBS — Named Matt Dorey senior vice president, player development; Bobby Basham director of player development; Craig Breslow director of pitching/special assistant to the president and general manager; Justin Stone director of hitting; and Jeremy Farrell assistant director of baseball development.
National Basketball Association
NBA — Named Gary Zielinski director of amateur officiating development.
CHICAGO BULLS — Signed F Luol Deng who announced his retirement.
DETROIT PISTONS — Exercised their team option on F Luke Kennard for the 2020-21 season. Signed G Craig Sword. Waived F Todd Withers.