The Nationals hoped Tyler Moore could duplicate his strong rookie season, but the young slugger struggled when he didn't get regular playing time.
Vegas has their odds for the next World Series winner out already, and the Nats are considered a frontrunner.
The Nationals officially named Matt Williams as their new manager and plan to introduce the 47-year-old skipper in a news conference Friday afternoon.
The Nationals acquired Scott Hairston in July to bolster their bench. The veteran outfielder contributed a little, but he'll hope to do more next season in D.C.