(Sports Network) -- Cardinals veteran Jake Westbrook goes for career win 100 tonight as the Cardinals take on division rival, Milwaukee. The Cardinals enter the series with a 1 1/2-game lead on the third-placeBrewers in the National League's Central Division. Pittsburgh is in secondplace, a half-game behind; while Cincinnati is fourth, two games back.

Westbrook, is facing young righty Wily Peralta who was just7 years old when Westbrook was drafted by the Colorado Rockies.

Westbrook was a 13-game winner for the Cardinals last season and has beenstrong in four starts this year albeit with just win to show for it.

He dropped a 1-0 decision at San Francisco to begin the season, then tossed acomplete game in beating Cincinnati on April 10.

In two starts since, against Philadelphia and Pittsburgh, he's allowed threeruns on 13 hits in 12 innings.

The Cardinals lost both games.

Westbrook is 2-4 in eight career starts against Milwaukee.

On Wednesday in St. Louis, Matt Carpenter went 3-for-4 with two doubles andsparked a three-run sixth inning to lead the Cardinals to a 4-2 win overCincinnati to take two of three from their division rivals at Busch Stadium.

Allen Craig and Yadier Molina reached on a walk and single, respectively, withone away in the decisive sixth frame, which brought Carpenter to the plate forthe go-ahead poke to right center field.

Pete Kozma and Daniel Descalso followed with RBI-singles, chasing Reds starterHomer Bailey from the game. J.J. Hoover took over and retired the two battershe faced, but the damage had been done.

Lance Lynn (5-0) was sharp in seven innings of work for St. Louis, allowingjust a run on five hits while striking out five en route to his 10th straightwin dating back to last season.

Carlos Beltran homered for the Cardinals while Edward Mujica picked up hissixth save in as many tries this season.

"To be able to go out there and pitch like that and win games, that's whatit's all about," said Lynn. "It feels good. I just have to keep trying toimprove everyday, and that's what I'm going to do."

The Cardinals won two of three games in an April series in St. Louis and tooknine of 15 games in 2012. Milwaukee last won the series, 8-7, in 2010.

Peralta, who'll turn 24 next week, debuted with the Brewers in 2012 and was 2-1 in six appearances with a 2.48 earned run average.

He was beaten, 7-3, in his initial 2013 start on April 3 against Colorado, but is 2-0 with two no-decisions in four outings since, while trimming his ERA from 6.75 to 5.02.

Peralta downed the Los Angeles Dodgers, 6-4, in his most recent start on April 27, allowing three runs on six hits in six innings.

He is 2-1 in six career games at Miller Park.