The young outfielder was a top-tier prospect, then on the cusp of irrelevance, and now in the big leagues.
Meanwhile, Ryan Zimmerman and Jose Lobaton are expected back Friday.
Lineups and discussion thread for Wednesday afternoon's game against the Rockies.
The Nationals' prospect is finally in the big leagues after a winding road.
Zimmerman hits the disabled list again, while a fresh face arrives at Nationals Park.
A day later than usual, your minor league update.
The Nationals will monitor Jayson Werth, Denard Span, Nate McLouth and Brian Goodwin in camp, all returning from surgery.
For the second straight season, Baseball American puts Lucas Giolito at the top of its rankings of Nationals' prospects.
To clear room, the Nationals outrighted Ryan Mattheus and Pedro Florimon was claimed off waivers by the Pirates.
The Nationals will invite 18 players not on the 40-man roster to big league camp.