January 19, 2005: Esteban Loaiza was signed as a Free Agent with the Washington Nationals.
February 7, 2005: Melvin Nieves was signed as a Free Agent with the Washington Nationals.
The Nationals had a terrific first half, as they had a 51-32 record by July 5 and were leading the Atlanta Braves by 4.5 games. However, the team struggled in its final 79 games, going 30-49 and scoring only 299 runs (3.78 per game). They were also shut out 7 times during that span. Nevertheless, the teams was able to finish the season at .500; this was only the fourth time in 10 years that the franchise had finished at or above .500.
On April 4, 2005, Brad Wilkerson (after being the last player to ever wear a Montreal Expo jersey) had the honor of being the first batter for the Washington Nationals and he promptly responded with the first hit in the new team's history. Nevertheless, Kenny Lofton hit a three-run homer and Jon Lieber pitched 5 2/3 effective innings, leading the home team Philadelphia Phillies to an 8-4 victory over the new Nationals at......