Capuano allowed 7 hits, walked none and struck out a season high 9 hitters in the win. Geoff Jenkins provided the Brewers all the offense they would need with a three run homer.
After Washington put its first two hitters on base in the 9th, Francisco Cordero got three outs for his 13th save in 13 chances.
Capuano improved to 5-0, becoming just the third pitcher in team history to win his first five deicisions as a starter. Bill Wegman started 6-0 in 1994 and Chuck Porter went 5-0 in 1984.
Shortstop J-J Hardy also collected a single in the 5th to extend his hitting streak to 18 straight games.