In the first game at the new Nationals Park on Opening Day 2008, Ryan Zimmerman christened the new stadium with a walk off home run to give the Washington Nationals a 3-2 win. Now fast forward to April 26, 2014, the 500th regular season home game played at Nationals Park in which the Washington Nationals faithful would watch Tanner Roark pitch a complete game shutout, along with carrying a perfect game into the sixth inning. Back by early runs batted in from Adam LaRoche, Ian Desmond, and Danny Espinosa in the first inning along with a Denard Span RBI single in the sixth, Tanner Roark was able to throw a career game and give the Washington Nationals their 14th win of the year.
Roark started the game with 16 batters retired in a row using only 54 pitches, which would go a long way in him finishing the game with a complete game. Relying heavily on his defense with pitching to the tune tune of 14 ground ball outs and 8 strike outs, which are both career highs for the 27 year old pitcher. With Roark threatening with the perfect game early in the sixth it was broken up the only way a perfect game could be, with a single up the middle for the San Diego Padres backup catcher Rene Rivera, who come into the game batting .173. Coming back from the perfect game attempt strong as ever, Roark would go onto finish the game allowing three hits and one walk while only throwing 108 pitches.