The Pittsburgh Pirates (24-20) and Arizona Diamondbacks (25-20) do battle on Saturday at 4:05 PM ET.

This contest's pitching matchup is set, as the Pirates will send Mitch Keller (5-1) to the mound, while Brandon Pfaadt (0-1) will answer the bell for the Diamondbacks.

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Pirates vs. Diamondbacks Pitcher Matchup Info

  • Date: Saturday, May 20, 2023
  • Time: 4:05 PM ET
  • TV: SportsNet PT
  • Location: Pittsburgh, Pennsylvania
  • Venue: PNC Park
  • Live Stream: Watch this game on Fubo!
  • Probable Pitchers: Keller - PIT (5-1, 2.38 ERA) vs Pfaadt - ARI (0-1, 8.59 ERA)

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Read More About This Game

Pirates Probable Starting Pitcher Tonight: Mitch Keller

  • The Pirates will hand the ball to Keller (5-1) for his 10th start of the season.
  • The right-hander's last appearance was on Sunday, when he threw seven scoreless innings against the Baltimore Orioles while allowing four hits.
  • The 27-year-old has an ERA of 2.38 and 11.0 strikeouts per nine innings, with a batting average against of .212 in nine games this season.
  • He's looking to extend his two-game quality start streak.
  • Keller has eight starts in a row of five innings or more.

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Diamondbacks Probable Starting Pitcher Tonight: Brandon Pfaadt

  • The Diamondbacks will send Pfaadt (0-1) out for his fourth start of the season. He is 0-1 with an 8.59 ERA and 11 strikeouts over 14 2/3 innings pitched.
  • In his last time out on Sunday against the San Francisco Giants, the righty tossed five innings, giving up one earned run while surrendering one hit.
  • The 24-year-old has amassed an ERA of 8.59, with 6.7 strikeouts per nine innings in three games this season. Opponents have a .293 batting average against him.
  • Pfaadt will try to go five or more innings for his third straight appearance. He's averaging 4.7 frames per outing.

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