The Milwaukee Brewers' postseason begins Tuesday at American Family Field with the first game in the best-of-three National League wild card series. Game 2 of the series will be Wednesday and, if a third game is necessary,

David Peterson tossed seven innings of one-hit ball and earned the win Sunday afternoon for the visiting New York Mets, who ensured themselves an opportunity to play for a postseason berth Monday by beating the Milwaukee Brewers 5-0.

Key to the Mets’ effort Sunday — and, in a ripple effects way, Monday — was lefthander David Peterson, who tossed seven shutout innings to lower his ERA to 2.90. He allowed one hit and three walks and struck out eight.