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Tyler Mahle SP | ATL
Giants' Tyler Mahle: Saddled with ninth loss
Mahle (2-9) took the loss Tuesday against the Royals, allowing three runs on five hits and one walk while striking out four over five innings.
Mahle surrendered a solo homer to Carter Jensen in the third inning to open the scoring, though it was just the second home run he has allowed over his last 26.1 innings. He kept Kansas City in check after that but ran into trouble in the sixth, issuing a walk and hitting a batter before exiting the game. Sam Hentges and Keaton Winn were unable to strand the inherited runners, inflating Mahle's line. The veteran right-hander has completed six innings just once over his last 11 starts -- his final outing before the All-Star break -- and owns a 5.36 ERA during that stretch. Mahle is projected to make his next start at home against a difficult Brewers lineup.
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Kohl Drake SP | ARI
Diamondbacks' Kohl Drake: Fares well in big-league debut
Drake allowed one run on four hits and two walks while striking out five over five innings in a no-decision versus the Athletics on Tuesday.
Drake threw 46 of 85 pitches for strikes in his major-league debut. He was able to limit the damage to an RBI single by Alika Williams in the third inning. Drake had managed an unsightly 6.92 ERA with a 60:31 K:BB over 66.1 innings with Triple-A Reno this season, but he showed well enough in his major-league debut to potentially get another look. If that happens, he's tentatively lined up for a tough road matchup versus the Nationals over the weekend.
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Brandon Sproat SP | MIL
Brewers' Brandon Sproat: Falls despite limiting damage
Sproat (3-5) took the loss Tuesday against the Mets, allowing two runs on four hits and four walks while striking out four over 4.2 innings.
Sproat surrendered a solo homer to Jared Young in the third inning to open the scoring. He struggled to settle in, failing to record any 1-2-3 innings and allowing a runner to reach scoring position in every frame. He exited in the fifth after being dinged only by the early homer, but Chad Patrick allowed an inherited runner to score. The right-handed Sproat has now gone five straight starts without allowing more than two earned runs, though he has completed at least five innings in only two of those outings. He'll carry a 5.09 ERA, 1.38 WHIP and 91:43 K:BB into his next scheduled start on the road against San Francisco.
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Zach Thornton SP | NYM
Mets' Zac Thornton: Earns first MLB win
Thornton (1-1) earned the win Tuesday against the Brewers, allowing three hits and one walk while striking out two over six scoreless innings.
Thornton threw 53 of his 81 pitches for strikes and picked up the first major-league victory of his career. The left-hander allowed just one hit through his first five innings and retired 13 consecutive batters during one stretch before finishing with his second straight scoreless outing. Thornton has now thrown 18 consecutive shutout innings and through his first four major-league starts he owns a 1.93 ERA, 0.86 WHIP and 17:6 K:BB across 23.1 innings. He's lined up to make his next start Monday at home against Atlanta.
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Chase Burns SP | CIN
Reds' Chase Burns: Strong in 12th win
Burns (12-1) allowed three hits and two walks while striking out six over five scoreless innings to earn the win over the Mariners on Tuesday.
Burns dealt with a groin issue in his last start, but the All-Star break gave him enough time to recover. He responded with his sixth scoreless outing in 19 starts this season. The right-hander, who signed a seven-year extension during the break, is looking like a future ace for the Reds. He's recorded a 2.42 ERA, 1.11 WHIP and 124:39 K:BB through 107.2 innings this season. Burns is projected to make his next start at home versus the Guardians.
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Matthew Liberatore SP | STL
Cardinals' Matthew Liberatore: Blitzed early in loss
Liberatore (5-7) allowed five runs on nine hits and two walks while striking out seven over 5.1 innings to take the loss Tuesday versus the Angels.
Liberatore gave up all five runs in the first inning before settling down to avoid overtaxing the bullpen. He's shown some flashes this year, but inconsistency has been a prominent theme -- he's allowed at least four runs in six of his last eight outings. Overall, the southpaw has a 5.18 ERA, 1.52 WHIP and 95:38 K:BB through 99 innings over 20 starts. Liberatore's next start is projected to be at home versus the Cubs early next week since the Cardinals are opting to temporarily go to a six-man rotation this week.
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Michael Lorenzen RP | TOR
Rockies' Michael Lorenzen: Hit hard by Nationals
Lorenzen allowed six runs on seven hits and one walk while striking out five batters over 3.2 innings in a no-decision against Washington on Tuesday.
It was a typical Coors Field contest, as the only inning during which neither team scored was the ninth. Lorenzen had his fair share of bumps, and he was particularly tormented by CJ Abrams, who took him deep twice. However, the right-handed hurler managed to avoid a loss thanks to a big day by Colorado's offense. Lorenzen needed 80 pitches to get through only 3.2 frames, marking the sixth time this season he's failed to complete four innings (though one instance came in his lone relief appearance). He's at an ugly 6.53 ERA on the campaign, though Colorado's lack of other rotation options means Lorenzen probably isn't currently at risk of losing his starting role.
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Walker Buehler SP | SD
Padres' Walker Buehler: Battles control issues in win
Buehler (6-5) earned the win against Atlanta on Tuesday, allowing two runs on two hits and five walks with three strikeouts over 5.2 innings.
Buehler allowed two runs in the second inning but otherwise kept Atlanta in check despite issuing a season-high five walks. It was a much-needed effort from the 31-year-old, who entered Tuesday having surrendered 20 earned runs over his first three July outings. He'll carry a 5.23 ERA, 1.43 WHIP and 84:40 K:BB across 94.2 innings this season into a road matchup with the Marlins this weekend.
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David Peterson SP | CHC
Cubs' David Peterson: Posts best start of season
Peterson (5-7) notched the win over Detroit on Tuesday, allowing three hits and issuing one walk while striking out four batters over 6.2 scoreless innings.
Peterson was sharp, yielding just one extra-base hit and four total baserunners. He retired 11 straight batters in one stretch and completed six frames for the first time this season. Peterson has won two of his four starts since joining Chicago in late June, and he's given up two runs or fewer in three of those outings, though the lone exception was a 10-run, 3.2-inning blowup against St. Louis. The veteran lefty has shown enough to hold down a spot in the rotation at least until some of the Cubs' injured starters get healthy, and he's lined up to make his next start on the road against the Cardinals.
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Aaron Civale RP | CHC
Cubs' Aaron Civale: Yields two runs in 2026 team debut
Civale allowed two runs on four hits across 2.1 innings of relief in Tuesday's 11-2 win over the Tigers. He walked two and struck out two.
After a brief stint with the Cubs last season, Civale made his 2026 team debut in a fairly low-pressure situation, as he entered the game staked to a 9-0 lead. The righty continued his mediocre stretch of play as he saw his ERA climb to 5.49 to go along with a 1.65 WHIP across 77 innings this year. Civale was traded to Chicago on Saturday as some veteran depth, and he's not likely to have a ton of fantasy value the rest of the way.