Arizona Diamondbacks vs Pittsburgh Pirates Picks and Prediction for Tuesday, July 28, 2026

By: Kim Smith Published 07/28/2026, 12:45 AM ET

The Arizona Diamondbacks visit the Pittsburgh Pirates at PNC Park in Pittsburgh, Pennsylvania, on Tuesday, July 28, 2026. The game is scheduled for 6:40 p.m. ET, with coverage available on MLB.TV. The forecasted game-time temperature is 80 degrees. Arizona enters at 55-51 overall and 24-29 away from home, while Pittsburgh is 54-52 overall and 28-26 at home. ESPN Analytics gives the Pirates a 61.8% chance of winning, compared with 38.2% for the Diamondbacks. At the time of this writing the odds were not released. Be sure to check out our free MLB picks⁠.

Starting Pitchers at PNC Park

Brandon Pfaadt is the probable starter for Arizona, bringing a 5-1 record with a 4.43 ERA and 1.32 WHIP into the matchup. The right-hander has pitched 65.0 innings, allowing 66 hits, 20 walks, and eight home runs while recording 45 strikeouts. Pittsburgh is expected to counter with Bubba Chandler, who is 3-8 with a 4.47 ERA and 1.39 WHIP. The Pirates’ right-hander has worked 100.2 innings and allowed 84 hits, 56 walks, and 10 home runs while collecting 90 strikeouts. The two starters have nearly identical ERAs, although Arizona’s probable starter owns the stronger record and lower WHIP.

Arizona Arrives with the Stronger Recent Stretch

The Diamondbacks enter Tuesday with a 55-51 overall record and a 24-29 road mark. Arizona has won three of its last five games despite dropping its two most recent contests in Washington by scores of 10-7 and 5-3. The Diamondbacks recently won over Washington 3-2, earned a 10-6 road victory against St. Louis, and defeated the Athletics 15-5 at home. Arizona has therefore produced three victories and two defeats during its latest five-game sample.

Arizona is batting .242 with 479 runs, 854 hits, and 103 home runs. The Diamondbacks have a .314 on-base percentage and a .395 slugging percentage. Their pitching staff owns a 4.27 ERA and 1.30 WHIP while allowing opponents to bat .254. Arizona has issued 310 walks and recorded 714 strikeouts. The Diamondbacks are also 33-31 in night games.

The clearest strength for Arizona is its recent offensive ceiling. The Diamondbacks scored 15 runs against the Athletics, 10 against St. Louis, and seven in their latest loss to Washington. They have accumulated 35 runs over their last five games, reaching at least seven runs three times. However, their season totals trail Pittsburgh in batting average, runs, hits, home runs, on-base percentage, and slugging percentage. Arizona’s challenge will be turning its recent scoring potential into sustained production against a team with the stronger overall offensive profile.

Pittsburgh Leans on Its Offensive Advantages at Home

The Pirates enter the matchup at 54-52 overall and 28-26 at PNC Park. Pittsburgh has won two of its last five games, including a recent 8-7 victory over the Chicago Cubs. The Pirates also recently won over the New York Yankees 5-3 in 10 innings. Their three losses during this stretch came by scores of 11-0, 3-2 in 10 innings, and 2-0. Pittsburgh has alternated between productive offensive performances and games in which its scoring was limited.

Pittsburgh is batting .260 with 553 runs, 957 hits, and 135 home runs. The Pirates own a .338 on-base percentage and a .422 slugging percentage. Their pitching staff has produced a 4.32 ERA and 1.32 WHIP while holding opponents to a .240 batting average. Pittsburgh has issued 379 walks and recorded 979 strikeouts. The Pirates have gone 24-35 in night games.

Pittsburgh’s primary strength is its collection of offensive advantages over Arizona. The Pirates hold an 18-point advantage in batting average, a 74-run advantage, and a 103-hit advantage. They have also hit 32 more home runs while posting the better on-base and slugging percentages. Pittsburgh’s pitching ERA and WHIP are slightly worse, but its staff has held opponents to a batting average 14 points lower than Arizona’s. The Pirates also enter with the better home record than Arizona’s road record and the substantial advantage in ESPN’s matchup predictor.

Arizona Diamondbacks vs Pittsburgh Pirates Picks and Prediction

Arizona Diamondbacks vs Pittsburgh Pirates Pick

  • Pick: Pittsburgh Pirates Moneyline

Pittsburgh is the preferred side based on its superior offensive numbers, home record, and matchup-predictor advantage. The Pirates lead Arizona in batting average, runs, hits, home runs, on-base percentage, and slugging percentage. Their probable starter also has an ERA only 0.04 higher than Arizona’s probable starter while allowing fewer hits across substantially more innings. Arizona has the slightly better overall record and stronger recent five-game mark, but Pittsburgh’s 61.8% projected win probability and broader offensive advantages support the Pirates at home.

Arizona Diamondbacks vs Pittsburgh Pirates Total Pick

  • Pick: Over

Take the over if the total is set at 8.5. I favor the over because Arizona has scored 35 runs across its last five games, while Pittsburgh has scored eight runs in each of its two recent victories. The Diamondbacks have a 4.27 team ERA, and the Pirates carry a 4.32 ERA. The probable starters also enter with ERAs of 4.43 and 4.47. With Arizona recently participating in totals of 17, eight, five, 16, and 20 runs, the supplied scoring and pitching numbers support an over consideration at 8.5.

Final Score Prediction: Pittsburgh Pirates 6 – Arizona Diamondbacks 4

This prediction was written before the completion of game play on Monday.

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