Jim Hickey, who was introduced as the Washington Nationals’ new pitching coach Monday, left the same job with the Chicago Cubs in 2018 for undisclosed personal reasons, and the recently-turned 59-year-old, one-time minor league pitcher spent two seasons as a special assistant for player development with the Los Angeles Dodgers (2019-2020) before Davey Martinez and the Nats brought him back to the big leagues.