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Pittsburgh Pirates 4–3 Chicago Cubs: match recap

PITPittsburgh PiratesLLWWW4
CHCChicago CubsWWLLL3

FinalMLB · Start Sep 13, 2026, 6:20 PM UTC · Venue: Wrigley Field

Pittsburgh Pirates and Chicago Cubs finished 4–3 (MLB) on September 13, 2026. Below: the form, standings and head-to-head record both teams took into the game.

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Match recap

Pittsburgh Pirates edged the Chicago Cubs 4-3, overcoming a home-field disadvantage with superior contact hitting (9-5 hits edge). Bubba Chandler battled through traffic (4 walks) but the bullpen held firm, while the Cubs' lone power shot from Miguel Amaya wasn't enough to offset their anemic .172 average.

The Pirates seized control early, scratching across 4 runs off lefty Matthew Boyd (5.1 IP, 7 H, 4 ER) with manufactured runs; Nick Gonzales delivered an RBI single in the 2nd and Brandon Lowe punched a 2-run single in the 5th. Chicago fought back with a 2-run homer from Miguel Amaya in the 4th and a sacrifice fly from Nico Hoerner in the 5th, but the Cubs stranded 13 runners—including leaving the bases loaded twice. Carmen Mlodzinski bridged cleanly into the 8th, and Luke Weaver slammed the door with a 1-2-3 9th.

Key factors

  • Pirates out-hit the Cubs 9-5 with a .265 AVG vs .172, driving 4 of their runs with two-out hits in the 5th inning.
  • Cubs squandered prime scoring chances, going 0-for-9 with runners in scoring position and leaving 13 on base.
  • Pittsburgh's bullpen trio of Mlodzinski, Montgomery, and Weaver combined for 3.1 scoreless innings, allowing zero hits and one walk.

The Analyst's verdict

This is the kind of win that separates fringe contenders from pretenders—the Pirates found a way to win despite their starter's command issues, while the Cubs' inability to cash in with runners on has been a recurring theme all second half. Pittsburgh's bullpen depth, especially Mlodzinski's emergence in high-leverage spots, gives them a legitimate weapon for a stretch run.

Matchup edge

Form edge: Pittsburgh Pirates, 3-2 in the last 5 games against 2-3 for Chicago Cubs.

Matchup to watch: Pittsburgh Pirates’ attack (index 107) against Chicago Cubs’ defence (index 98).

Matchup to watch: Chicago Cubs’ attack (index 119) against Pittsburgh Pirates’ defence (index 103).

Recent form: last 5

Pittsburgh Pirates: 3 wins and 2 losses in the last 5, with 20 runs scored and 21 conceded.

Pittsburgh Pirates
Sep 12, 2026at Chicago CubsL3–4
Sep 11, 2026at Chicago CubsL2–12
Sep 10, 2026at Chicago White SoxW2–0
Sep 9, 2026at Chicago White SoxW4–2
Sep 8, 2026at Chicago White SoxW9–3

Chicago Cubs: 2 wins and 3 losses in the last 5, with 28 runs scored and 21 conceded.

Chicago Cubs
Sep 12, 2026vs Pittsburgh PiratesW4–3
Sep 11, 2026vs Pittsburgh PiratesW12–2
Sep 9, 2026at Milwaukee BrewersL6–8
Sep 8, 2026at Milwaukee BrewersL3–4
Sep 7, 2026at Milwaukee BrewersL3–4

Results before kickoff, newest first.

Head-to-head

In the last 5 meetings on record, Pittsburgh Pirates won 1, Chicago Cubs won 4.

Sep 12, 2026Chicago Cubs4–3Pittsburgh Pirates
Sep 11, 2026Chicago Cubs12–2Pittsburgh Pirates
Jul 26, 2026Pittsburgh Pirates8–7Chicago Cubs
Jul 25, 2026Pittsburgh Pirates0–11Chicago Cubs
Jul 24, 2026Pittsburgh Pirates2–3Chicago Cubs

Season so far

Pittsburgh Pirates are 15th of 30 on win rate after 149 games (74-75).

Chicago Cubs are 6th of 30 on win rate after 149 games (83-66).

#TeamPWLRuns
15Pittsburgh Pirates1497475714:689
6Chicago Cubs1498366796:657

Team season model

  • Pittsburgh Pirates attack index 107: 7% more scoring per game than the league average.
  • Pittsburgh Pirates defence index 103: 3% more conceded per game than the league average.
  • Chicago Cubs attack index 119: 19% more scoring per game than the league average.
  • Chicago Cubs defence index 98: 2% less conceded per game than the league average.

Index 100 is the league average per game. Above 100 in attack means more scoring; below 100 in defence means fewer conceded.

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  • Pittsburgh Pirates: form and fixtures →
  • Chicago Cubs: form and fixtures →
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