Sunday's contest at PNC Park has the Pittsburgh Pirates (24-21) going head to head against the Arizona Diamondbacks (26-20) at 1:35 PM ET (on May 21). Our computer prediction projects a narrow 5-4 victory for the Pirates, so expect a competitive matchup.

The probable pitchers are Merrill Kelly (4-3) for the Diamondbacks and Roansy Contreras (3-4) for the Pirates.

Diamondbacks vs. Pirates Game Info & Odds

  • When: Sunday, May 21, 2023 at 1:35 PM ET
  • Where: PNC Park in Pittsburgh, Pennsylvania
  • How to Watch on TV: SportsNet PT
  • Live Stream: Watch this game on Fubo!

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Diamondbacks vs. Pirates Score Prediction

Our pick for this matchup is Pirates 5, Diamondbacks 4.

Total Prediction for Diamondbacks vs. Pirates

  • Total Prediction: Over 8.5 runs

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Discover More About This Game

Diamondbacks Performance Insights

  • In six games as the favorite over the last 10 matchups, the Diamondbacks have a record of 3-3.
  • In its last 10 games with a total, Arizona and its opponents have failed to hit the over five times.
  • In their last game with a spread, the Diamondbacks covered the spread.
  • The Diamondbacks have been favorites in 19 games this season and won 11 (57.9%) of those contests.
  • This season Arizona has won 11 of its 18 games, or 61.1%, when favored by at least -125 on the moneyline.
  • Oddsmakers have implied with the moneyline set for this matchup that the Diamondbacks have a 55.6% chance to win.
  • Arizona is among the highest-scoring teams in the majors, ranking eighth with 234 total runs this season.
  • The Diamondbacks' 4.66 team ERA ranks 22nd among all league pitching staffs.

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Diamondbacks Schedule

Date Opponent Score Pitching Matchup
May 15 @ Athletics W 5-2 Merrill Kelly vs Drew Rucinski
May 16 @ Athletics L 9-8 Tommy Henry vs Kyle Muller
May 17 @ Athletics W 5-3 Ryne Nelson vs Luis Medina
May 19 @ Pirates L 13-3 Zac Gallen vs Johan Oviedo
May 20 @ Pirates W 4-3 Brandon Pfaadt vs Mitch Keller
May 21 @ Pirates - Merrill Kelly vs Roansy Contreras
May 22 @ Phillies - Tommy Henry vs Zack Wheeler
May 23 @ Phillies - Ryne Nelson vs Taijuan Walker
May 24 @ Phillies - Zac Gallen vs Ranger Suárez
May 26 Red Sox - Brandon Pfaadt vs Chris Sale
May 27 Red Sox - Merrill Kelly vs Corey Kluber