The Cubs placed Taillon on the 15-day injured list Friday due to a right calf strain, and manager Craig Counsell said the right-hander is expected to be sidelined over a month, Jesse Rogers of ESPN.com reports.
It's unclear when exactly Taillon sustained the injury, but he surrendered 15 runs, including six homers, over his last three starts and failed to last five innings in any of them. The 33-year-old will be unavailable through at least the end of July but could be out longer, depending how his rehab progresses. Jordan Wicks was recalled from Triple-A Iowa in a corresponding move and should be in the mix to enter Chicago's starting rotation, as is Chris Flexen.
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Cubs' Jameson Taillon: Labors in loss
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Taillon (7-6) took the loss Sunday against Houston, allowing two runs on five hits and one walk over 4.2 innings. He struck out four.
Taillon couldn't complete five innings Sunday, as the Astros worked him up to 107 pitches before a two-run home run by Jose Altuve prompted manager Craig Counsell to pull Taillon. Taillon has surrendered six home runs in his last three starts, going 0-3 with a 10.66 ERA and nine strikeouts over 12.2 innings during that stretch. He'll look to get back on track against the Cardinals next weekend.
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Cubs' Jameson Taillon: Plagued by long ball again
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Taillon (7-5) took the loss Tuesday against the Cardinals, giving up eight runs on eight hits and two walks in four innings. He struck out three.
Five of Taillon's eight hits allowed went for extra bases, with three of them leaving the yard, and he leads the National League with 21 home runs allowed in 2025. The veteran right-hander yielded a season-high eight runs, and he's now surrendered 13 over his last two outings on the heels of rattling off six quality starts in a row prior to this recent downturn. Taillon still holds a respectable 4.47 ERA, 1.10 WHIP and 70:19 K:BB across 90.2 innings, but things don't figure to get much easier in his next scheduled appearance against an Astros club that entered Tuesday batting an MLB-best .276 since May 22.
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Cubs' Jameson Taillon: Struggles early in loss
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Taillon (7-4) took the loss against the Brewers on Thursday, allowing five runs on eight hits and one walk with two strikeouts over four innings.
Taillon allowed five runs over his first three innings Thursday, snapping a five-game win streak that dated back to May 20. While the 33-year-old has delivered 10 quality starts in 15 outings this season, he now leads the National League with 18 home runs allowed after surrendering two more in this one. He owns a 3.84 ERA, 1.04 WHIP and 67:17 K:BB across 86.2 innings and will look to rebound in a road matchup with the Cardinals next week.
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Cubs' Jameson Taillon: Cubs-Brewers rained out
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Taillon and the Cubs won't face the Brewers on Wednesday after the game was postponed due to rain in Chicago, Taylor McGregor of Marquee Sports Network reports.
Chicago and Milwaukee will play a doubleheader Aug. 18 to make up for Wednesday's game. Taillon's next outing will be pushed back to Thursday's series finale, during which he'll be looking to record his sixth consecutive win.
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Cubs' Jameson Taillon: Extends streak of quality starts
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Taillon (7-3) recorded the win Thursday against the Pirates after giving up two runs on four hits and two walks in 6.1 innings. He struck out seven.
Taillon extended his streak of quality starts to six, and it was also his eighth such effort in his last nine outings. The 33-year-old right-hander has yielded greater than three runs on just two occasions this year, and he also tied his season high in punchouts Thursday. Taillon holds a steady 3.48 ERA, 0.98 WHIP and 65:16 K:BB across 82.2 innings ahead of his next appearance, which is set to come versus a Brewers team that's batting a paltry .218 against righties since the start of May.
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Cubs' Jameson Taillon: Sharp in sixth win
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Taillon (6-3) picked up the win Saturday, allowing one run on three hits and a walk over seven innings in a 6-1 victory over the Tigers. He struck out five.
The right-hander needed only 84 pitches (56 strikes) to deliver his fifth straight quality start, and his ninth in 13 trips to the mound this year. Taillon will take a four-start win streak into his next outing, which lines up to come at home next week against the Pirates.
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Cubs' Jameson Taillon: Another quality start
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Taillon (5-3) picked up the win Sunday against Cincinnati, allowing two runs on three hits and one walk over 6.1 innings. He struck out two.
All of the damage against Taillon came in the sixth inning when Elly De La Cruz lifted a two-run home run. Still, Taillon notched his fourth consecutive quality start and his eighth of the campaign. In his last four appearances, Taillon has logged a 2.45 ERA and an 18:4 K:BB across 25.2 innings. He's tentatively scheduled to face the Tigers in Detroit next weekend.
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Cubs' Jameson Taillon: Fans seven in fourth win
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Taillon (4-3) earned the win Monday against the Rockies, allowing one run on four hits and no walks over 6.1 innings. He struck out seven.
The Chicago right-hander took care of business against a Colorado lineup that entered the contest with a league-worst .220 team batting average. The only blemish on Taillon's performance was a solo homer yielded to Mickey Moniak in the fifth. Through 63 total innings, Taillon has pitched to a 3.86 ERA, 1.05 WHIP and 51:12 K:BB. He is currently scheduled to make his next start against Cincinnati at home this weekend.
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Cubs' Jameson Taillon: Cruises to third win
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Taillon (3-3) picked up the win in Tuesday's 14-1 rout of the Marlins, allowing one run on four hits and three walks over seven innings. He struck out two.
A solo shot by Nick Fortes in the third inning was the only blemish on Taillon's line, as he delivered his second straight quality start against Miami and his sixth of the season in 10 trips to the mound. Keeping the ball in the yard remains a serious concern for the right-hander, however -- he's served up nine homers in his last four starts, fueling a 4.30 ERA over that stretch despite a 1.09 WHIP and 18:5 K:BB in 23 innings. Taillon gets a soft matchup for his next outing, which lines up to come at home early next week against the Rockies.
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Cubs' Jameson Taillon: Yields three homers to Marlins
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Taillon (2-3) took the loss Wednesday against the Marlins, allowing three runs on four hits and no walks with seven strikeouts over six innings.
Taillon surrendered four home runs in his previous start and couldn't keep the ball inside the park once again Wednesday. Three of the four hits he allowed to the Marlins were long balls, with Kyle Stowers hitting two and Agustin Ramirez accounting for one. Though Taillon hadn't yielded multiple home runs since his season debut before this stretch, he's been tagged for a homer in all but two starts this year. Over 49.2 innings, he owns a 4.53 ERA and a 42:9 K:BB. Taillon will look to get back on track in his next start, which is scheduled to be a rematch with Miami next week.
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Cubs' Jameson Taillon: Can't keep ball in park Friday
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Taillon (2-2) took the loss Friday, coughing up six runs (five earned) on nine hits -- including four home runs -- and a walk over four innings as the Cubs were downed 7-2 by the Mets. He struck out four.
Francisco Lindor drove the third pitch he saw from Taillon into the right-field bullpen area at Citi Field to lead off the bottom of the first inning, setting the tone for the night. The veteran right-hander came into Friday having served up just six homers in his first seven starts of the season, while the outing snapped a streak of six straight outings in which he'd given up three runs or fewer. The stumble leaves Taillon with a 4.53 ERA despite a 1.17 WHIP and 35:9 K:BB through 43.2 innings, and he'll look to get back on track in his next trip to the mound, which lines up to come at home next week against the Marlins.
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Cubs' Jameson Taillon: Grabs win with quality start
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Taillon (2-1) earned the win Saturday in Milwaukee after giving up two runs on three hits and a walk over six innings. He struck out five.
The veteran right-hander wasn't exactly dominant as he induced just four swinging strikes, but he delivered his second straight quality start to help secure his first victory since April 2. Taillon surrendered six earned runs during his season debut in Arizona, but he's posted a 2.80 ERA, 0.91 WHIP and 30:8 K:BB in 35.1 innings across his past six outings.
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Cubs' Jameson Taillon: Fans two in no-decision
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Taillon did not factor in the decision during Sunday's extra-inning loss against Philadelphia. He allowed a run on five hits over seven innings while striking out two.
The lone blemish on Taillon's outing was an RBI single by Trea Turner in the third inning. It was the first time Taillon threw more than six innings this season while he registered his third quality start. He tossed 60 of 88 pitches for strikes and turned in his first start without a walk since his season debut March 28. Taillon is sporting a 4.01 ERA with a 26:7 K:BB through 33.2 frames. He's in line to start in Milwaukee next weekend.
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Cubs' Jameson Taillon: Pitches well in no-decision
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Taillon allowed one run on three hits across five innings and did not factor into the decision during Sunday's 3-2, 11-inning loss to the Diamondbacks. He walked two and struck out six.
Taillon pitched well enough to deserve his second win of the season but didn't receive enough run support to escape his third straight no-decision. The veteran righty allowed six runs over 4.1 innings in his first start of the year, but since then, he's allowed only eight runs across 22.1 innings while striking out 23. Taillon seems to be rounding into form, and he'll look to keep pitching well in his next scheduled start, which is penciled in for next Sunday against the Phillies, as the Cubs only play five games in the coming week.
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Cubs' Jameson Taillon: Let down by bullpen Monday
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Taillon pitched 5.1 innings against the Padres on Monday, allowing two runs on three hits and one walk while striking out four batters in a no-decision.
Taillon served up a solo homer to Fernando Tatis in the third inning but carried a 3-1 lead into the sixth. He was pulled with one out in that frame after issuing a walk to Manny Machado, and the Cubs' bullpen subsequently allowed four straight batters to reach base as San Diego tied the score. Despite the disappointing ending, it was still a promising outing for Taillon, who logged his third straight start of three or fewer runs. His ERA on the season still stands at a middling 5.40, but that's largely due to a six-run, 4.1-inning disaster in his season debut against Arizona on March 28.
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Cubs' Jameson Taillon: Settles in for quality start
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Taillon didn't factor into the decision Tuesday against the Rangers after allowing three runs on five hits and one walk in six innings. He struck out six.
After allowing Jonah Heim to plate a pair of runs on a single in the second inning, Taillon served up a solo homer to Wyatt Langford in the third frame. Despite the early struggles, the veteran right-hander settled in to throw three scoreless innings thereafter to register a quality start and was in line for the win before the Cubs relinquished a 6-3 lead in the eighth. Taillon will take a 6.06 ERA, 1.35 WHIP and 14:4 K:BB over 16.1 innings (three starts) into a tougher matchup in San Diego for his next scheduled start, which is tentatively set for early next week.
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Cubs' Jameson Taillon: Fans seven in quality start
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Taillon (1-1) got the win Wednesday against the Athletics. He allowed two runs on four hits and three walks while striking out seven across six innings.
It was a nice bounce-back performance for Taillon after he got knocked around for six runs in his first start against the Diamondbacks on Friday. His lone blemish came in the third inning when he gave up a two-run home run to Brent Rooker, but Taillon proceeded to retire 10 of the next 13 batters (including five strikeouts) and finished the game with 19 whiffs across 94 pitches. Taillon's next start is tentatively slated for next week at home against the Rangers.
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Cubs' Jameson Taillon: Hit hard in Friday's loss
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Taillon (0-1) took the loss Friday, giving up six runs on nine hits over 4.1 innings as the Cubs fell 8-1 to the Diamondbacks. He struck out one without walking a batter.
Six of the nine hits off the right-hander went for extra bases, including a pair of homers by Eugenio Suarez. Taillon left the mound after 80 pitches (53 strikes), and his 2025 campaign is off to a much bumpier start than his 2024 season -- he allowed three earned runs total over his first four outings last year. Taillon will look to bounce back in his next start, which lines up to come on the road next week against the Athletics.
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Cubs' Jameson Taillon: Not available for Tokyo series
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Taillon traveled with the team to Tokyo but isn't listed on the 26-man roster ahead of the two-game series against the Dodgers, Maddie Lee of the Chicago Sun-Times reports.
The Cubs sent out an updated roster after mistakenly including the right-hander on the Tokyo series roster, per Lee. Taillon will be officially added to the 26-man roster following the conclusion of the series due to the unique rules established for this two-game set. The right-hander started an exhibition game Sunday against a team from Nippon Professional Baseball and wouldn't have been available to pitch regardless of his roster status.
