With the best-of-seven series deadlocked at 2-2, the Cardinals will host Game 5 Friday. The series will move back to Milwaukee Sunday.
The contest was tied 2-2 when Nyjer Morgan opened the Milwaukee fifth with a double off starter Kyle Lohse. Morgan moved to third on a groundout by Mark Kotsay and, after Mitchell Boggs relieved Lohse, Braun delivered a single to left on a 1-2 pitch that brought in the go-ahead run.
In his most recent outing, which came in Game 4 of Milwaukee's division series against Arizona, Wolf was roughed up for seven runs on eight hits in three innings. The Brewers lost that game 10-6, but came back to win Game 5 and advance past the Diamondbacks.
Wolf allowed two runs on six hits in seven innings against the Cardinals, striking out seven.
Matt Holliday and Alan Craig each hit a solo homer to give the Cardinals a 2-0 lead through three innings, but Milwaukee tied it in the fourth on an RBI double by Jerry Hairston and a run-scoring single from Yuniesky Betancourt.
Zack Greinke will be on the mound for the Brewers in Game 5. Jamie Garcia will get the start for the Cardinals.