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Player Bio

HT/WT: 6-6, 240 lbs
Birthplace: Denver, CO
Age: 30
School: Oregon
Experience: 6
Bats/Throws: L, L

Last Game

Sun, Aug 30 |
NBC
vs Cincinnati Reds (65-72)
  • Wrigley Field
7
Final
5
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2026 Pitching

STATS IP
Innings Pitched
W
Wins
L
Losses
ERA
Earned Run Average
SO
Strikeouts
BB
Base on Balls (Walk)
Regular Season 123.1 7 7 5.11 109 52

Top David Peterson News

  • Cubs' David Peterson: Fans six in no-decision

    Peterson didn't factor into the decision in Friday's 10-8 loss to the Reds, allowing two runs on six hits and three walks over five innings. He struck out six.

    The southpaw left the mound after 88 pitches (54 strikes) with the Cubs holding a 3-2 lead, but Trent Thornton immediately coughed it up in the top of the sixth once Peterson was out of the game. Peterson has given up more than two earned runs just once in his last nine outings, posting a 2.35 ERA, 1.26 WHIP and 41:19 K:BB over 46 innings during that span. He's set to make his next start at home next week against the Brewers.

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  • Cubs' David Peterson: Settles for no-decision Saturday

    Peterson took a no-decision against the Mariners on Saturday, allowing two runs on four hits and two walks in six innings. He struck out eight.

    After recently shifting to the bullpen, Peterson delivered six strong innings in his return to the rotation Saturday following Edward Cabrera's (finger) placement back on the injured list. Peterson, who had been in line for the win before Jacob Webb blew the save, fanned a season-high eight in his third quality start of the season, all of which have come with the Cubs. Peterson will bring a solid 3.93 ERA, 1.31 WHIP and 40:19 K:BB over 50.1 innings for the Cubs into his next scheduled outing against the division-rival Reds.

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  • Cubs' David Peterson: Part of Saturday's pitching plan

    Cubs manager Craig Counsell said Wednesday that Peterson will "be involved" in the pitching plan for Saturday's game in Seattle, Meghan Montemurro of the Chicago Tribune reports.

    With Edward Cabrera (finger) landing back on the 15-day injured list after just one start with the big club, a spot in the Chicago rotation has reopened. Peterson ended up losing his spot in the rotation when Cabrera returned this past weekend, but the former looks poised to slot back in either as a traditional starter or bulk reliever Saturday. The southpaw has logged a 4.06 ERA and 32:17 K:BB over 44.1 innings covering eight starts and one relief appearance for the Cubs.

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  • Cubs' David Peterson: Shifting to bullpen role

    The Cubs announced that Peterson will be moved to the bullpen after Edward Cabrera (hamstring) was reinstated from the 15-day injured list Sunday, Patrick Mooney of The Athletic reports.

    Rather than shifting to a six-man rotation, manager Craig Counsell will send Peterson to the bullpen to provide the club with a multi-inning arm to replace Javier Assad, who was optioned to Triple-A Iowa on Sunday. After a disastrous run with the Mets to begin the season, Peterson had pitched more credibly since being acquired by the Cubs in late June. Over eight starts with Chicago, Peterson has gone 4-1 with a 4.19 ERA, 1.37 WHIP and 31:16 K:BB across 43 innings.

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  • Cubs' David Peterson: Nabs seventh win

    Peterson (7-7) earned the win against the Nationals on Wednesday, allowing four runs (three earned) on nine hits and three walks in six innings. He struck out five.

    Peterson got knocked around a bit Wednesday, but he hung in there for his sixth consecutive start of at least five innings. The southpaw has conceded three runs or fewer in all but one of first eight outings for the Cubs, though the one exception was a 10-run implosion versus St. Louis on July 3. Peterson has a 4.19 ERA, 1.37 WHIP and 31:16 K:BB over 43 innings for the Cubs ahead of his next scheduled appearance against the crosstown-rival White Sox.

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  • Cubs' David Peterson: Limits Blue Jays in no-decision

    Peterson did not factor into the decision Thursday against the Blue Jays, allowing one run on seven hits and three walks while striking out three over five innings.

    Peterson held his own Thursday in a pitching duel with Dylan Cease, who fired seven scoreless innings with 10 strikeouts. His only run allowed came in the first inning on a disengagement violation, which was an unfortunate sequence given that he ended the frame just two pitches later. Peterson then blanked Toronto over his final four innings despite consistently pitching through traffic. Over his last five starts, the left-hander has surrendered just six runs (five earned) across 28.2 innings, lowering his ERA from 6.75 to 5.35 during that stretch. He also owns a 1.50 WHIP and 88:43 K:BB across 106 innings this season.

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  • Cubs' David Peterson: Will start Thursday

    Peterson is slated to start Thursday's game against Toronto at Wrigley Field, Jared Wyllys of AllCHGO.com reports.

    Though trade-deadline pickups Kevin Gausman and Clay Holmes (fibula) are slated to make their first starts for the Cubs this weekend, Peterson will keep his spot in the rotation for now. The left-hander tied his season high with eight strikeouts in his most recent start last Saturday against the Yankees and owns a 4.36 ERA, 1.12 WHIP and 22:10 K:BB in 33 innings over his first six starts with the Cubs since being acquired from the Mets on June 25.

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  • Cubs' David Peterson: Strikes out eight in no-decision

    Peterson did not factor into the decision in Saturday's 5-2 win against the Yankees, allowing two runs (one earned) on five hits and no walks with eight strikeouts over 6.1 innings.

    Despite posting a quality start and tying a season high with eight punchouts, Peterson departed in line for the loss after allowing a solo homer in the seventh inning before the Cubs eventually rallied to take him off the hook. The southpaw has been excellent to open the second half, yielding just three earned runs over three outings with a solid 15:3 K:BB in that span. He'll carry a 5.52 ERA, 1.48 WHIP and 85:40 K:BB across 101 innings with the Mets and Cubs into a home matchup with the Blue Jays next week.

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  • Cubs' David Peterson: Solid again Monday

    Peterson (6-7) earned the win over St. Louis on Monday, allowing two runs on three hits and two walks while striking out three batters over 5.2 innings.

    Peterson was far from dominant, but he finished one out shy of a quality start and picked up his second straight win. The lefty gave up just one extra-base hit -- a Jose Fermin solo homer -- and got nine of his 17 outs on grounders. Peterson was mauled by the Cardinals for 10 runs over 3.2 innings the last time he faced them July 3, so his outing Monday was a promising indication that he's figured some things out. While he still carries a poor 5.80 ERA on the campaign, Peterson has allowed just three earned runs over 17.1 frames across his past three starts to build some security around his rotation spot, at least in the short term. He's lined up to make his next start at home against the Yankees.

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  • 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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  • Cubs' David Peterson: Lacks command in no-decision

    Peterson allowed one run on two hits across five innings and did not factor into the decision in Thursday's loss to the Orioles. He walked four and struck out two.

    Peterson pitched pretty well overall Thursday but struggled with his command as he tied a season high in walks. Even with the shaky control it was still a huge step in the right direction for the lefty after being tagged for 10 runs in only 3.2 innings in his last start. Peterson will now carry a 6.45 ERA and 1.64 WHIP into the All-Star break, and he should slot into the back of Chicago's rotation once the second half kicks off, at least until the likes of Jameson Taillon (hamstring), Edward Cabrera (hamstring) and Ben Brown (neck) are able to return.

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  • Cubs' David Peterson: Folds against Cards

    Peterson (4-7) took the loss Friday as the Cubs were routed 17-1 by the Cardinals, surrendering 10 runs on nine hits and three walks over 3.2 innings. He struck out three.

    After an effective debut for Chicago on June 27 in a win over Milwaukee, Peterson crashed back down to earth in a hurry. The 10 runs allowed were a career worst for the southpaw, who got chased after 91 pitches (58 strikes) as St. Louis put multiple runs on the board in five straight innings beginning in the second frame. The Cubs' injury woes in the rotation could force them to give Peterson another start, but with Jameson Taillon (hamstring) beginning a rehab assignment this weekend, Peterson likely can't afford another poor outing if he wants to keep his spot. Peterson will carry a 6.75 ERA, 1.67 WHIP and 68:33 K:BB through 77.1 innings split between the Cubs and Mets into his next trip to the mound, which is currently set to come on the road next week in Baltimore.

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  • Cubs' David Peterson: Receiving another start

    Peterson is slated to start Friday's game against the Cardinals at Wrigley Field, Jared Wyllys of AllCHGO.com reports.

    The 30-year-old southpaw will be rewarded with another turn through the rotation after excelling in his Cubs debut last Saturday, earning a win over the Brewers while striking out two batters and allowing two earned runs on five hits and no walks across 5.2 innings. Peterson's body of work over a sample of eight starts and eight relief appearances with the Mets this season has been much less impressive (6.09 ERA, 1.65 WHIP in 68 innings), but he looks like he'll have a chance to stick around in a depleted Chicago rotation until the club gets some reinforcements. Among the Cubs' injured starters, Jameson Taillon (hamstring) is the closest to returning and is set to make a rehab start Sunday, but it's unclear if he'll be ready to return from the 15-day injured list before the All-Star break.

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  • Cubs' David Peterson: Shines in Cubs debut

    Peterson (4-6) notched the win Saturday against the Brewers, allowing two runs on five hits and no walks in 5.2 innings. He struck out two.

    Making his Cubs debut, Peterson immediately entered the rotation after bouncing around as a swingman with the Mets. The 30-year-old left-hander fell one out shy of what could've been his first quality start of the year, but it was still his longest outing so far. Peterson, who entered Saturday with a high groundball rate of 52.9 percent, could benefit from the elite defense of Nico Hoerner and Dansby Swanson in the Cubs' middle infield going forward. He'll carry a 5.86 ERA, 1.59 WHIP and 65:30 K:BB over 73.2 innings into his next scheduled outing against the Cardinals.

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  • Cubs' David Peterson: Dealt to Cubs

    The Cubs acquired Peterson from the Mets on Wednesday in exchange for infielder Cole Mathis (undisclosed), Jeff Passan of ESPN.com reports.

    Peterson had endured a rough season with the Mets, turning in a 6.09 ERA and 1.65 WHIP in 68 innings across 16 appearances (eight starts). However, the Cubs will gladly take all the rotation arms they can get at this point, as Edward Cabrera (hamstring) and Ben Brown (neck) became the fifth and sixth Chicago starting pitchers to land on the injured list Wednesday. Peterson is expected to provide immediate aid to the rotation and could make his first start with the Cubs as soon as Friday at Milwaukee, after he threw 79 pitches Sunday in his final appearance with the Mets.

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NL Central Standings

Team W-L L10 STRK
85-52 7-3 L1
77-60 3-7 L1
68-70 3-7 L2
67-71 5-5 W2
65-72 4-6 W1