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Kelly (6-8) allowed two runs on eight hits and two walks while striking out six over five innings to earn the win over the Brewers on Saturday.
Kelly lost all five of his starts and had a 7.31 ERA in June, but he was able to get back in the win column in his first July outing. The veteran right-hander limited the damage to a two-run home run by Christian Yelich in the fifth inning Saturday. Kelly is now at a 5.71 ERA, 1.56 WHIP and 53:35 K:BB across 86.2 innings through 15 starts on the year. His next start is projected to be on the road in San Diego.
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Diamondbacks' Merrill Kelly: Losing ways continue
Rotowire
Kelly (5-8) took the loss Sunday against the Rays, allowing five runs on eight hits and two walks in six innings. He struck out three.
Kelly struggled to find a rhythm Sunday, tossing just two scoreless innings on the afternoon. The month of June wasn't particularly kind to the 37-year-old right-hander, who has now coughed up 23 runs to go along with a concerning 14:11 K:BB across his last 28.1 frames. Kelly has also taken a loss in each of his past five starts, so he'll be hoping to turn the page when he brings a 5.84 ERA, 1.53 WHIP and 47:33 K:BB over 81.2 innings into his next scheduled appearance against the Brewers.
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Diamondbacks' Merrill Kelly: Suffers seventh loss
Rotowire
Kelly (5-7) took the loss Monday, allowing three runs on seven hits and three walks over six innings against St. Louis. He struck out two.
Kelly ran into some trouble in the third and fourth innings but was able to mitigate the damage fairly well and record a quality start, though a lack of offense from Arizona saddled the 37-year-old with the loss. The right-hander has had spurts of success but has mostly struggled in 2026, posting a 5.71 ERA, 1.52 WHIP and 44:31 K:BB across 75.2 innings (13 starts). Having lost each of his four most recent starts, Kelly will look to reverse that trend in his next outing, tentatively scheduled for Saturday at Tampa Bay.
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Diamondbacks' Merrill Kelly: Reverts to poor form in loss
Rotowire
Kelly (5-6) allowed six runs on 11 hits and a walk while striking out four over 5.1 innings to take the loss versus the Angels on Tuesday.
This was Kelly's third consecutive loss. He pitched a scoreless first inning but was tagged for at least one run in each of the next five frames, creating a deficit too large for the Diamondbacks to escape. During his skid, Kelly has given up 15 runs over 16.1 innings while posting a 9:6 K:BB. He's at a 5.81 ERA, 1.51 WHIP and 42:28 K:BB through 69.2 innings over 12 starts this season. His velocity has been stable compared to the last couple of years, but a back injury that delayed his start to the season may have disrupted his rhythm. Kelly is projected to make his next start in St. Louis early next week.
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Diamondbacks' Merrill Kelly: Pitches well but gets no support
Rotowire
Kelly (5-5) took the loss against Miami on Thursday, allowing two runs on four hits and two walks while striking out one batter over six innings.
Kelly didn't allow any extra-base hits and was efficient in getting through six frames on 74 pitches. However, the two runs he allowed were enough to saddle him with the loss, as Arizona managed just three hits and no runs against five Marlins hurlers. Kelly did notch his fifth quality start of the campaign and rebounded well after yielding seven runs over five innings against Washington in his previous outing. He'll carry a 5.46 ERA and 1.45 WHIP into his next start, which is scheduled to be at home against the Angels.
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Diamondbacks' Merrill Kelly: Hit hard in loss
Rotowire
Kelly (5-4) allowed seven runs on six hits, three walks and a hit batsman while striking out four over five innings to take the loss versus the Nationals on Friday.
Kelly had a strong May, but his first start in June was a dud. He allowed three home runs, which accounted for four of the seven runs on his line in his first loss since May 3 versus the Cubs. Kelly is now at a 5.71 ERA, 1.49 WHIP and 37:25 K:BB through 58.1 innings over 10 starts this season. His next start is projected to be on the road versus the Marlins.
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Diamondbacks' Merrill Kelly: Win streak ends with no-decision
Rotowire
Kelly allowed two runs on eight hits, two walks and a hit batsman while striking out two over 5.1 innings in a no-decision Sunday versus the Mariners.
Kelly's strong pitching continued, but he wasn't able to earn a fifth straight win. He's allowed just nine runs over his last five starts spanning 34.1 innings with a 19:7 K:BB. The veteran right-hander is now at a 5.06 ERA, 1.46 WHIP and 33:22 K:BB through 53.1 innings across nine starts this season. Kelly is projected for a home start versus the Nationals in his next outing.
Kelly (5-3) earned the win Monday against the Giants, allowing two runs on four hits and two walks while striking out four over seven innings.
Kelly turned in another strong outing, tossing 64 of his 96 pitches for strikes while generating 25 combined called and swinging strikes. The veteran right-hander allowed both of his runs in the fourth inning on a two-run double by Rafael Devers, but otherwise kept San Francisco quiet. Kelly has now delivered four straight quality starts, allowing just seven runs over his last 29 innings for a 2.17 ERA during that stretch. Despite the recent success, the underlying metrics remain concerning, as Kelly still ranks in the bottom one percent of MLB in xERA, xSLG and xBA. He now owns a 5.25 ERA with a 31:20 K:BB across eight starts and is scheduled to face Seattle on Sunday.
Diamondbacks' Merrill Kelly: Earns third straight win
Rotowire
Kelly (4-3) allowed three runs on eight hits with four strikeouts and no walks to earn the win Wednesday over the Giants.
Kelly collected his third straight quality start and victory to help the Diamondbacks complete the series sweep. The right-hander allowed a home run to Casey Schmitt in the first inning and didn't retire the side in order until the sixth, but he was otherwise able to limit San Francisco to single tallies in the second and fourth frames. After a horrid start to the year resulted in a 9.95 ERA through his first four outings, the 37-year-old has allowed just five runs with a 13:3 K:BB in 22 innings over his last three starts. Kelly's next appearance lines up to be a road rematch with the Giants next week.
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Diamondbacks' Merrill Kelly: Tosses complete game
Rotowire
Kelly (3-3) tossed a complete game in Friday's win over the Rockies, allowing one run on four hits while striking out three without a walk over nine innings.
Kelly needed 100 pitches to record 27 outs Friday, and while he didn't overpower hitters, he looked in control all game long. He had outstanding run support, as the Diamondbacks erupted for six runs in the first inning and never looked back. Kelly has won his last two starts, posting a 9:3 K:BB while allowing two runs across 16 innings in that stretch. Kelly will try to extend his run of good results in his next start, scheduled for next week at home against the Giants.
Diamondbacks' Merrill Kelly: Rebounds for second win
Rotowire
Kelly (2-3) allowed one run on three hits and three walks while striking out six over seven innings to earn the win over the Mets on Saturday.
Kelly had been knocked around in his previous three outings, giving up a total of 19 runs across 13.2 innings. He bounced back in a big way Saturday, delivering his best start of the year in a game where he had little margin for error. Performances like this one haven't been the norm in 2026 for the veteran right-hander, who is at a 7.62 ERA, 1.92 WHIP and 20:18 K:BB across 26 innings. Kelly's next start is lined up to be a daunting road assignment in Colorado.
Diamondbacks' Merrill Kelly: Hammered for six runs in loss
Rotowire
Kelly (1-3) took the loss Sunday against the Cubs, allowing six runs on eight hits and three walks with five strikeouts across 4.1 innings.
Kelly had the strikeout stuff working at Wrigley Field, but when he wasn't getting whiffs, the Cubs were punishing the right-hander. Moises Ballesteros took Kelly deep in the third inning, and it was Kelly's sixth homer allowed in four starts. After missing the first three weeks of the season, Kelly has limped to a 9.95 ERA and ugly 14:15 K:BB across 19 innings. He's been tagged for 19 runs across 13.2 innings over his last three outings and will try to right the ship next weekend at home against the lowly Mets.
