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03/27/10 2:52 PM ET

Brewers tab Bush as their No. 4 starter

Right-hander slated to pitch on April 9 against Cardinals

PHOENIX -- Dave Bush has been slotted in as the Brewers' fourth starter behind Yovani Gallardo, Randy Wolf and Doug Davis, manager Ken Macha said on Saturday.

Bush will start on Monday against the Giants at Maryvale Baseball Park. That puts him in position to pitch the fourth game of the season on April 9 against the Cardinals at Miller Park. Although Macha has yet to make it official, Gallardo is the likely Opening Day starter against Ubaldo Jimenez of the Rockies at home on April 5.

Macha said it would still be a couple of days before making a formal announcement about Gallardo, who allowed six runs on eight hits in three innings to the Padres on Friday.

"Let's see how he comes out of his next side," Macha said.

Macha is also continuing to huddle with management and pitching coach Rick Peterson about a fifth starter among a group that includes Chris Narveson, Manny Parra and Jeff Suppan. That pitcher is projected to start Tuesday against the Angels at Tempe Diablo Stadium. Because of rest and spacing, the Brewers won't need to use their fifth starter until April 14 or 15 against the Cubs at Wrigley Field.

Bush, a five-year veteran right-hander, is 1-0 with a 2.13 ERA in three appearances this spring, two starts. He's coming off his best Cactus League start against the Indians on March 23 at Goodyear Ballpark, where he went six innings, allowing one run on five hits, three walks and struck out one in a 10-2 victory.

Bush, 30, spent two months on the disabled list last season with a tear in his right triceps after being hit in the arm by a line drive. Ultimately, he was 5-9 with a 6.38 ERA in 22 appearances, 21 starts.

"My main concern was him coming here and being healthy," Macha said. "The other day up in Goodyear, he showed me that he was fine by the number of innings and the number of pitches he threw. When he went through his rehab last year, he'd get to a certain number of pitches last year and he would be gassed. So I knew that if we had a healthy David Bush, we'd have somebody who'd be giving us quality starts."

Bush was a 4-1 winner in Game 3 of the National League Division Series against the Phillies in 2008. It was Milwaukee's only win of the best-of-five series and its only postseason victory since Game 5 of the 1982 World Series -- a loss to the Cardinals in seven games.

Barry M. Bloom is a national reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.