He gave up an unearned run on four hits in 7 1/3 innings, striking out four and walking one.
Piscotty strained his hamstring while attempting to beat out an infield single at first base.
Milwaukee Brewers' Keon Broxton (23) is out as St. Louis Cardinals second baseman Kolten Wong turns the double play during the seventh inning of a baseball game Thursday, May 4, 2017, in St. Louis.
The 26-year old Aguilar launched the first homer of his big league career in the seventh inning, snapping a tie and giving Milwaukee a 5-4 victory at Busch Stadium.
Milwaukee took two of three from the Cards in a rain-shortened series, ending a run of 17 consecutive head-to-head series without a win.
Two Cardinals outfielders left the game against the Brewers early Thursday night after suffering injuries.
Aguilar's blast came on a 2-1 pitch from Matt Bowman (1-1) in his 100th career at-bat - he had 58 in brief callups the last three years with Cleveland - and flew 415 feet over the Brewers' bullpen in left-center. Fowler ends his night 1-for-2 with a two-run triple and a strikeout. On May 2 versus the Rangers, he drilled two homers as a left fielder. Adleman (1-1) allowed 6 hits and 2 runs in 6 innings.
Peralta (4-2) fell to 0-9 in his last 11 starts against the Cardinals.
Our local nine will now travel to Pittsburgh to begin a three-game series with the Pirates, who are currently in last place in the division at 12-16.
ORIOLES 8, RED SOX 3 Manny Machado hit a long three-run shot for his third home run of the series and visiting Baltimore capped four tense days at Fenway Park with a victory over Boston.
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