Julio Franco, Jose Valentin, and Paul Lo Duca all hit RBI singles; Anderson Hernandez hit a two-run triple; Carlos Delgado hit an RBI double; Valetin had three hits; while Shawn Green had a run and three hits for the NL East champion Mets (97-65), who won their final four games.
In relief, the winner was Guillermo Mota (3-0).
Both Ryan Church and Bernie Castro hit RBI singles; Church had three hits; Castro had two hits; and Jose Vidro had a run and two hits for the Nationals (71-91), who were playing their final game under Manager Frank Robinson, who is not being retained.
The losing pitcher was Ramon Ortiz (11-16).
Washington ended the season with a three-game losing streak.