Zimmerman homered twice, then doubled home the tiebreaking run in the eighth inning as the Washington Nationals ended their nine-game losing streak at St. Louis, beating the Cardinals 4-3 Wednesday night.
Moss hit a three-run walk-off home run with two outs in the ninth, giving the St. Louis Cardinals an 8-5 win over the Washington Nationals on Tuesday night.
Uggla missed 22 games after experiencing back spasms in early August, leading to the stint on the disabled list. Catcher Pedro Severino and left-hander Sammy Solis were also recalled on Tuesday.
Heyward hit a two-run, tie-breaking double in the seventh inning to key a five-run rally, and the St. Louis Cardinals beat the Washington Nationals 8-5 on Monday night.
Arrieta pitched the sixth no-hitter in the majors this season and second against the Los Angeles Dodgers in 10 days, leading the Chicago Cubs to a 2-0 victory Sunday night.
Only two teams have rebounded from a 5 1/2-game deficit in the standings on Aug. 30 to win the division since the wild card era began in 1995, and the Nationals know they have work to do to catch the surging Mets.
Werth hit a two-run home run in the third inning, and Fister entered in the fifth inning for an ineffective Stephen Strasburg as the Nationals rallied to defeat the Marlins, 7-4, on Sunday afternoon.
Robinson and Desmond connected off starter Tom Koehler in the sixth inning, and Jordan Zimmermann lasted seven innings as the Nationals defeated the Marlins, 5-1, on Saturday night.
Denard Span is headed back to the disabled list, and this time possibly for the rest of the season.
Werth and Zimmerman homered, and starter Joe Ross allowed only a bunt single in six innings as the Washington Nationals beat the San Diego Padres 4-2 on Thursday night.
Upton homered twice and had three RBIs, Matt Kemp added a two-run double and the San Diego Padres held on to beat the Washington Nationals 6-5 on Wednesday night.
Strasburg allowed two hits over six innings, Zimmerman hit a grand slam and the Washington Nationals beat the San Diego Padres 8-3 for their third straight victory.