Diamondbacks' Zac Gallen: Yields two homers in loss
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Gallen (9-13) allowed three runs on five hits and struck out three without walking a batter over six innings to take the loss versus the Guardians on Monday.
Gallen has recorded a quality start in three of his four outings in August, though his effort Monday wasn't enough to get a win. He allowed a solo home run to C.J. Kayfus in the second inning and gave up a two-run blast to Brayan Rocchio in the fifth, making this the first time in five starts Gallen has given up multiple homers. The veteran right-hander is now at a 5.28 ERA, 1.33 WHIP and 134:52 K:BB through 150 innings over 26 starts this season. Gallen is projected to make his next start at home versus the Reds.
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Diamondbacks' Zac Gallen: Goes five innings in no-decision
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Gallen did not factor into the decision Wednesday against the Rangers, allowing three runs on five hits and two walks over five innings. He struck out one.
It's the first time in five starts that Gallen's failed to make it through six innings -- the right-hander had won his previous two outings, giving up just three runs over 12 innings in that span. Overall, Gallen's ERA sits at 5.31 with a 1.35 WHIP and 131:52 K:BB across 25 starts (144 innings) this season. He's currently lined up to face the Guardians at home his next time out.
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Diamondbacks' Zac Gallen: Collects ninth win
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Gallen (9-12) allowed one run on four hits and three walks while striking out six over six innings to earn the win over the Rockies on Friday.
Gallen has covered at least six innings in six of his last seven starts, earning wins in all four of his quality starts in that span. He limited the damage to a Kyle Karros RBI single in the second inning of this contest, though the Diamondbacks' lead was never in danger. Gallen is now at a 5.31 ERA, 1.35 WHIP and 130:50 K:BB through 139 innings across 24 starts this season. The veteran right-hander's next outing is projected to be on the road versus the Rangers.
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Diamondbacks' Zac Gallen: Picks up eighth win
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Gallen (8-12) allowed two runs on nine hits and struck out three without walking a batter over six innings to earn the win Saturday over the Athletics.
Gallen was able to scatter six singles and three doubles, and only Tyler Soderstrom's two-run double in the third inning put any damage on the right-hander's line. Gallen had mixed results with a 5.10 ERA and 1.17 WHIP across 30 innings over five starts in July, but August is off to a better start for him. Overall, he's at a 5.48 ERA, 1.36 WHIP and 124:47 K:BB through 133 innings through 23 starts, numbers that may have suppressed his trade value and ultimately allowed him to stick with Arizona. He's projected to make his next start at home versus the Rockies.
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Diamondbacks' Zac Gallen: Falls to Pirates
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Gallen (7-12) allowed four runs on five hits and a walk over six innings Sunday, striking out five and taking a loss against Pittsburgh.
Gallen ran into some trouble early, allowing a run in the second inning and two in the third. Arizona couldn't bring a run home against Paul Skenes and the Pirates' bullpen, leading to Gallen's third consecutive loss. Gallen has given up at least four runs in seven of his last nine outings, registering a 6.24 ERA during that span. His season ERA is up to 5.60 alongside a 121:47 K:BB through 127 frames. Gallen's name has been floated around as a potential trade piece, but he's currently projected to take the mound on the road against the Athletics next weekend.
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Diamondbacks' Zac Gallen: Saddled with 10th loss
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Gallen (7-10) took the loss Saturday, surrendering six runs on eight hits and two walks over five innings as the Diamondbacks fell 10-5 to the Angels. He struck out three.
While the right-hander did manage to last at least five innings for the 17th straight start, Gallen crashed back to earth after looking more like his old self to begin July. He's been tagged for at least five runs in three of his last five trips to the mound, and since the beginning of June he's served up 11 homers in only 48.1 innings, with Mike Trout doing the honors Saturday. Gallen will head into the All-Star break laboring under a 5.40 ERA, 1.37 WHIP and 110:45 K:BB through 115 innings.
Gallen (5-9) took the loss Wednesday as the Diamondbacks fell 7-3 to the White Sox, coughing up five runs on eight hits and a walk over 5.1 innings. He struck out two.
Homers by Andrew Benintendi in the first inning and Lenyn Sosa in the fourth accounted for most of the damage off Gallen. The right-hander has served up nine long balls in his last five starts and been tagged for at least four earned runs in eight of his last nine trips to the mound, a brutal stretch in which he's posted a 6.97 ERA, 1.59 WHIP and 39:21 K:BB in 51.2 innings. Gallen will try to right the ship in his next outing, which lines up to come at home early next week against the Giants.
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Diamondbacks' Zac Gallen: Fades in seventh inning
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Gallen allowed four runs on six hits and four walks while striking out six over 6.1 innings in a no-decision Saturday versus the Padres.
Gallen pitched well until the seventh inning, when he allowed three of the first four batters he faced to reach base. Ryan Thompson couldn't stop the Padres' rally, which cost Gallen a chance at the win, though the Diamondbacks pieced together a comeback for a walk-off in the ninth. This was the fourth time Gallen has walked a season-high four batters, and it continues a rough stretch for him, as he's now allowed four or more runs in six of his last seven starts. He's at a 5.19 ERA, 1.35 WHIP and 81:40 K:BB across 86.2 innings through 15 starts this season. His next outing is projected to be at Colorado.
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Diamondbacks' Zac Gallen: Allows three homers in loss
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Gallen (4-8) took the loss against the Reds on Sunday, allowing four runs on six hits and three walks with five strikeouts over 6.2 innings.
Gallen was locked in a 2-2 tie through six innings before surrendering a go-ahead two-run homer to Matt McLain with two outs in the seventh. The 29-year-old was ultimately undone by the long ball and continues to struggle with his control, having issued three or more free passes in eight of 14 starts this season. He'll carry a 5.15 ERA, 1.33 WHIP and 75:36 K:BB across 80.1 innings into a home matchup with the Padres next weekend.
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Diamondbacks' Zac Gallen: Picks up fourth win
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Gallen (4-7) earned the win Tuesday in Atlanta after giving up three runs (one earned) on four hits and one walk over seven innings. He struck out four.
The right-hander pounded the zone with 65 of his 89 pitches going for strikes, and the single walk marks the first time he hasn't issued multiple free passes in a start since April 2. Gallen entered Tuesday with an 8.02 ERA and 17:11 K:BB in his previous four starts, but he was able to get back in the win column with his fifth quality start of the campaign. He'll carry a 5.13 ERA and 1.33 WHIP over 73.2 innings into his next start, which tentatively lines up for Sunday in Cincinnati.
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Diamondbacks' Zac Gallen: Stumbles late in loss
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Gallen (3-7) took the loss against the Pirates on Wednesday, allowing six runs (five earned) on six hits and three walks with three strikeouts over five innings.
Gallen entered the sixth inning with a shot at a quality start but was unable to record an out and was ultimately charged with three runs in the frame. The 29-year-old has now allowed at least four earned runs in four consecutive outings and in seven of his 12 starts this season. He'll take a disappointing 5.54 ERA, 1.40 WHIP and 66:32 K:BB across 66.2 innings into a road matchup with Atlanta next week.
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Diamondbacks' Zac Gallen: Pairs well with Herrera
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Arizona manager Torey Lovullo had Jose Herrera catch Gallen for Friday's series opener against St. Louis, after the pitcher had struggled in his previous outing, Joe Harris of MLB.com reports. The right-hander threw five strong innings before running into trouble in the sixth in a 4-3 loss.
It's been a rough start to the 2025 season for Gallen, whose 5.25 ERA is the highest its been since he became a full-season starter in the majors. However, when Herrera has caught him, Gallen's ERA is 3.56 compared to 6.89 when Gabriel Moreno is behind the dish. "We got a pretty good relationship," Gallen said. "I think he knows what I'm looking for out of the shapes of my pitches. He kind of knows when certain things aren't right, not necessarily to shy away from those pitches, but use them a little differently. So yeah, there's definitely a comfort there." Given the pitcher's results thus far, Lovullo may opt to pair Gallen and Herrera going forward.
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Diamondbacks' Zac Gallen: Rocked by lowly Rockies
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Gallen allowed six runs on eight hits and two walks while striking out five batters over five innings in a no-decision against Colorado on Saturday.
Gallen fell behind early, as a pair of Rockies homers resulted in three first-inning runs. The right-hander went on to give up two more long balls before his outing came to an end, though an explosive Arizona offense saved Gallen from taking a second straight loss. Gallen has had an up-and-down season so far -- he's collected four quality starts but has also surrendered four or more runs in five different outings. Overall, he's pitched to an uncharacteristically poor 5.14 ERA, which is on pace to be the worst mark of his career by a wide margin.
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Diamondbacks' Zac Gallen: Wins again over Mets
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Gallen (3-4) allowed a run on two hits and three walks while striking out six over seven innings to earn the win over the Mets on Tuesday.
Gallen posted his fourth quality start of the season, and this was his longest outing yet. He threw 64 of 101 pitches for strikes as he defeated the Mets for the second start in a row. The right-hander has allowed just two runs over his last 13 innings, trimming his ERA to 4.37 with a 1.21 WHIP and 49:21 K:BB across 45.1 innings over eight outings this season. Gallen will need to cut back on walks -- his 4.2 BB/9 is the highest of his career and noticeably above the elevated 3.3 BB/9 he had in 2024. He'll have a tough outing on tap this weekend, as he is projected to make his next start at home versus the Dodgers.
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Diamondbacks' Zac Gallen: Takes fourth loss Friday
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Gallen (1-4) took the loss Friday against Atlanta after allowing three runs on four hits and two walks in five innings. He struck out six.
Gallen kept the hard contact in check to a degree -- it was just his second start this year in which didn't give up a home run -- but he yielded two RBI doubles during Atlanta's three-run second inning. The right-hander was able to tie a season high with 103 pitches, but it was his fourth consecutive outing with multiple walks allowed. Gallen has a disappointing 5.57 ERA, 1.39 WHIP and 35:15 K:BB over 32.1 frames in 2025, and things won't get much easier in his next scheduled appearance on the road versus the Mets.
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Diamondbacks' Zac Gallen: Hit hard by Cubbies
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Gallen (1-3) took the loss Saturday, coughing up six runs on seven hits and two walks over six innings as the Diamondbacks fell 6-2 to the Cubs. He struck out five.
Four of the hits off Gallen went for extra bases, including back-to-back homers by Seiya Suzuki and Michael Busch in the second inning. The right-hander has been tagged for at least four runs in three of his first five starts this season, leaving him with a 5.60 ERA, 1.43 WHIP and 29:13 K:BB through 27.1 innings. Gallen will look to rebound in his next outing, which is scheduled to come at home next weekend against Atlanta.
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Diamondbacks' Zac Gallen: Quality start in no-decision
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Gallen took a no-decision Sunday against the Brewers. He struck out five over six innings while allowing two runs on five hits and three walks.
The Arizona right-hander looked sharper in this 89-pitch outing, firing 56 strikes to bag his second quality start of the season. The only blemish on Gallen's outing was a second inning two-run homer by William Contreras, which snuck out of the park, measuring 375 feet. With this effort, Gallen lowered his season ERA from 5.28 to 4.64 and will look to keep rolling in his next start, currently slated to be at the Cubs this weekend.
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Diamondbacks' Zac Gallen: Struggles with control vs. Orioles
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Gallen (1-2) allowed five runs on seven hits and four walks while striking out two batters over 4.2 innings in a loss to Baltimore on Monday.
Gallen's outing was a stark contrast to his 13-punchout, zero-walk win over the Yankees last Wednesday. Against the Orioles, the right-hander struggled mightily with his control, throwing only 50 of 96 pitches for strikes and issuing four free passes. Two of the four batters Gallen walked came around to score, and he failed to complete five frames for the second time in three starts. Despite Gallen's dominant victory last week against New York, his ERA stands at 5.28 on the season, which reflects how poor his other two outings have been. He'll try to rebound the next time he takes the mound, which is lined up to be Sunday versus Milwaukee.
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Diamondbacks' Zac Gallen: Makes final spring start
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Gallen allowed one run on five hits and two walks while striking out two over 4.1 innings in Thursday's spring start against the Athletics.
Gallen made his final Cactus League start a few hours after he was tabbed for the Opening Day assignment by manager Torey Lovullo. The right-hander threw 73 pitches (43 strikes) and told Alex Weiner of Arizona Sports that he was more in sync during this outing than in previous starts. Next up for Gallen is Thursday's regular-season opener against the Cubs.
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Diamondbacks' Zac Gallen: Named Opening Day starter
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Gallen will start Opening Day, March 27 against the Cubs, Steve Gilbert of MLB.com reports.
Many anticipated Corbin Burnes to make his Diamondbacks debut in the first game of the season, but the team will instead give the Opening Day start to Gallen for the third consecutive year. The 29-year-old has made three appearances in the Cactus League this spring, giving up two earned runs while striking out eight batters and walking three over five innings. While Gallen may never return to his 2022 form (2.54 ERA, 0.91 WHIP), he hasn't lost his strikeout stuff and should be able to comfortably reach double-digit wins with Arizona's high-scoring offense behind him.
