Say hello to Adam (Spanky) Eaton. Start saying goodbye to Bryce Harper. They're connected.
Remember how the Nationals "moved on" from Ian Desmond and Jordan Zimmermann when, two years before they became free agents, the Nats decided they probably couldn't sign either to a long-term extension? One day, Desmond and Zimmermann were important pieces of the Nationals' future. The next, they were replaced, even though they were still team fixtures in the present.
That's probably what's happening to Harper now.
In Eaton, the Nats just got a first-rate outfielder for the next five years.