CHICAGO -- Pittsburgh Pirates starter Brandon Cumpton pitched seven shutout innings Sunday, methodically working his way through the Cubs' lineup on the way to a 2-1 win at Wrigley Field.
The bullpen made things interesting as closer Mark Melancon gave up a ninth inning run before shutting it down.
The Pirates got run support in the form of a third-inning home run by Travis Snider and an RBI single by Josh Harrison to take the series 2-1 from last-place Chicago.
The win pushed the Pirates' record up to 37-38 as the club heads south for a three game series with the Tampa Bay Rays starting Monday.
Cumpton went seven innings, giving up just two hits and two walks in the win. He struck out four.
He gave up his first hit in the first inning, but stranded the runner with back to back pop-ups. He walked a batter in the fifth, but closed out the inning with a double play.
The Cubs threatened in the sixth when starter Jason Hammel hit a one-out single and Cumpton walked Chris Coghlan. But he got a pop up and grounder to the shortstop to end the inning.
Pirates reliever Tony Watson pitched the eighth and the Cubs threatened with back-to-back singles.
John Baker beat out a grounder to second base with a head-first slide into first, followed by a Darwin Barney single. The pair moved into scoring position with a sacrifice bunt, but Watson got two big strikeouts to end the inning.
Melancon gave up two singles to open the ninth but got a strikeout and pop-up to get out of the jam.
Travis Snider drove a first-pitch home run over the center-field wall in the third inning to give the Pirates a 1-0 lead.
Josh Harrison later lined a shot off Hammel's backside for an RBI infield single, scoring Chris Stewart to give the club a 2-0 lead.
Hammel left the game after seven innings and 108 pitches. He gave up six hits, two earned runs, walked one and struck out six.
Rookie Gregory Polanco's 11-game hitting streak came to a halt, but he drew an eighth-inning walk and stole second for his first major-league steal.
He took a cleat to his right hand while diving head-first into the bag, but stayed in the game after a brief visit from the training staff.
Polanco was hitless in three at-bats with a walk, ending his streak of games with a hit since joining the big-league club earlier this month.
The Pirates are expected to activate second baseman Neil Walker from the disabled list and get left fielder Starling Marte back for the Rays series.
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