By The Associated Press

Pirates rookie Sean Burnett shut out St. Louis for six innings. (AP photo)

PITTSBURGH - Rookie left-hander Sean Burnett shut out St. Louis for six innings in his first major league victory, and Tike Redman drove in two runs to lead the Pittsburgh Pirates past the division-leading Cardinals 3-0 Tuesday night.

Burnett (1-2) outpitched Chris Carpenter (8-3) as the last-place Pirates beat the Cardinals for the second straight night after dropping 14 of 16 at home to St. Louis. The Pirates matched season-high with their fourth straight victory, finalized when Jose Mesa got his 18th save.

Cubs 7, Astros 5

CHICAGO - Craig Biggio dropped Moises Alou's flyball, allowing two runs to score in the seventh inning.

After Carlos Beltran put Houston ahead 5-4 in the top of the seventh, Chicago came back against David Weathers (5-4) and Dan Miceli, who retired Sammy Sosa before Biggio's error.

Francis Beltran (2-1) won despite giving up Carlos Beltran's homer. LaTroy Hawkins for his 11th save in 14 opportunities.

Phillies 17, Expos 7

PHILADELPHIA - Bobby Abreu and David Bell homered and drove in three runs apiece, and Philadelphia had 17 hits.

Jimmy Rollins also had three RBIs, while Placido Polanco homered and scored twice and pinch-hitter Tomas Perez added a two-run shot in the eighth. Bell, who hit for the cycle on Monday, scored three runs and had an RBI single in the third.

Eric Milton (10-2) allowed seven runs on seven hits in five innings, but moved into a tie for the major league lead in wins. Shawn Hill (0-1) took the loss.

Marlins 5, Braves 4

ATLANTA - Mike Lowell and Miguel Cabrera homered back-to-back and Florida overcame a shaky by Dontrelle Willis.

Josias Manzanillo (1-1) pitched a season-high 2 2-3 innings for his first win in about 21/2 years, beating Mike Hampton (2-8). Manzanillo took over for Willis with two on and one out in the fifth, and retired Julio Franco and Andruw Jones.

Armando Benitez got five outs for his 26th save in 28 tries.