(BaseballStL) -- It was more offense for the Cardinals in the eighth inning as they tacked on an insurance run.
Marlins reliever Sam Dyson loaded the bases with one out when he hit Jon Jay with the pitch. Instead of leaving Justin Masterson in the game, Mike Matheny opted for pinch hitter Daniel Descalso.
Descalso drew one of the easiest RBI with a walk to score Oscar Taveras and push the Cardinals lead to 5-0 before Matt Carpenter lined into a double play.
Masterson left the game with 7.0 innings pitched, giving up zero runs with 12 ground outs and 3 strike outs.
In relief, Kevin Siegrist did allow a runner with one out and the inning got worse for the lefty as he allowed a two-run homer to Jeff Baker. But he did strike out the much tougher Giancarlo Stanton for the second out of the inning.
Mike Matheny then went to his bullpen to bring in closer Trevor Rosenthal to face Casey McGeHee. But Rosenthal got the slugger to strike out on a check swing to end the game.
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Justin Masterson helped out his own cause in the sixth inning by adding another run for the Redbirds.
With two outs, Oscar Taveras reached on an error from second baseman Jordany Valdespin. He then stopped at third on a double from Jon Jay who extended his hitting streak to five games.
Then Masterson singled through to right field to score Taveras to give the Cards a 4-0 lead.
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The Cardinals grabbed another run on a Marlins error in the fifth inning to extend their lead to 3-0.
Matt Carpenter and Kolten Wong singled back-to-back with one out. Then Matt Holliday hit what should have been a 6-4-3 double play, but the throw to first hopped up on the first baseman and allowed Carpenter to score.
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After having Tuesday night off, Matt Adams went back into the line-up and in his second at-bat put the Cardinals ahead for the first time in the three game series in Miami.
The third inning began with a single into left field from Jon Jay, but starter Justin Masterson was unable to move Jay over as he popped his bunt attempt up for an out. However, Matt Carpenter picked up his pitcher with a single into right that allowed Jay to advance to third.
Marlins starter Nathan Eovaldi struck out Kolten Wong, but walked Matt Holliday with two outs to bring up Big City and he made him pay with a single up the middle to score Jay and Carpenter.