Jack Flaherty| Year | W | L | Sv | Hold | IP | H | BB | SO | ER | ERA | WHIP | Rate |
| 2026 proj | 10 | 11 | 0 | 0 | 158.0 | 146 | 53 | 183 | 74 | 4.21 | 1.259 | 31.5 |
| 2026 | 2 | 8 | 0 | 0 | 81.3 | 75 | 40 | 96 | 44 | 4.87 | 1.414 | 4.1 |
| 2025 | 8 | 15 | 0 | 0 | 161.0 | 147 | 59 | 188 | 83 | 4.64 | 1.280 | 22.6 |
| 2024 | 13 | 7 | 0 | 0 | 162.0 | 135 | 38 | 194 | 57 | 3.17 | 1.068 | 79.6 |
| 2023 | 8 | 9 | 0 | 1 | 144.3 | 162 | 66 | 148 | 80 | 4.99 | 1.580 | 1.9 |
| 2022 | 2 | 1 | 0 | 0 | 36.0 | 34 | 22 | 33 | 15 | 3.75 | 1.556 | 7.5 |
| 2021 | 9 | 2 | 0 | 0 | 78.3 | 57 | 26 | 85 | 28 | 3.22 | 1.060 | 40.0 |
| 2020 | 4 | 3 | 0 | 0 | 40.3 | 33 | 16 | 49 | 22 | 4.91 | 1.215 | 18.2 |
| 2019 | 11 | 8 | 0 | 0 | 196.3 | 135 | 55 | 231 | 60 | 2.75 | 0.968 | 100.1 |
| 2018 | 8 | 9 | 0 | 0 | 151.0 | 108 | 59 | 182 | 56 | 3.34 | 1.106 | 59.1 |
| 2017 | 0 | 2 | 0 | 0 | 21.3 | 23 | 10 | 20 | 15 | 6.33 | 1.547 | -6.5 |
| Date | News |
| 7/22/26 | Tigers righty Flaherty hits IL with inflammation. The Detroit Tigers placed right-hander Jack Flaherty on the 15-day injured list on Tuesday with right flexor inflammation. Source: https://www.espn.com/mlb/story/_/id/49421072/tiger... |
| 7/22/26 | Tigers righty Flaherty hits IL with inflammation. The Detroit Tigers placed right-hander Jack Flaherty on the 15-day injured list on Tuesday with right flexor inflammation. Source: https://www.espn.com/mlb/story/_/id/49421072/tiger... |
| 6/13/26 | Tigers' Flaherty leaves start early due to left le.... Tigers pitcher Jack Flaherty pitched just three innings Friday night against the Guardians before leaving his start due to left leg discomfort. Source: https://www.espn.com/mlb/story/_/id/49045429/tiger... |
| 6/13/26 | Tigers' Flaherty leaves start early due to left le.... Tigers pitcher Jack Flaherty pitched just three innings Friday night against the Guardians before leaving his start due to left leg discomfort. Source: https://www.espn.com/mlb/story/_/id/49045429/tiger... |
| 6/12/26 | Tigers' Flaherty leaves start early due to left le.... Tigers pitcher Jack Flaherty pitched just three innings Friday night against the Guardians before leaving his start due to left leg discomfort. Source: https://www.espn.com/mlb/story/_/id/49045429/tiger... |
| 11/05/25 | Sources: Tigers' Flaherty stays put, to make $20M. Tigers right-hander Jack Flaherty is not opting out of his $20M contract for 2026, sources told ESPN, and will return to Detroit, where he has played the past two seasons. Source: https://www.espn.com/mlb/story/_/id/46850377/sourc... |
| 11/05/25 | Sources: Tigers' Flaherty stays put, to make $20M. Tigers right-hander Jack Flaherty is not opting out of his $20M contract for 2026, sources told ESPN, and will return to Detroit, where he has played the past two seasons. Source: https://www.espn.com/mlb/story/_/id/46850377/sourc... |
| 11/04/25 | Sources: Tigers' Flaherty stays put, to make $20M. Tigers right-hander Jack Flaherty is not opting out of his $20M contract for 2026, sources told ESPN, and will return to Detroit, where he has played the past two seasons. Source: https://www.espn.com/mlb/story/_/id/46850377/sourc... |
| 9/06/25 | Tigers Starter Jack Flaherty Under Immense Pressure To Perform Down the Stretch. As the Detroit Tigers continue to run away with the American League Central, the focus will soon shift to October. It has been a fantastic overall season for the Tigers in 2025. Over the weekend, the team will be playing a series against the Chicago White Sox. Furthermore, a big area of concern for the team is going to be their starting rotation after their ace. Source: https://www.si.com/mlb/tigers/news/tigers-starter-... |
| 9/04/25 | Jack Flaherty, Tigers aim to start series well vs. White Sox. Detroit Tigers right-hander Jack Flaherty took his team on a roller coaster ride during his six starts in August. The Tigers are hoping they will get the better version of Flaherty in the opener of a weekend series against the visiting Chicago White Sox on Friday. In three of his starts last month, Flaherty gave up one run or none. Flaherty was pounded for eight runs and 10 hits in five-plus innings against Kansas City on July 24. Source: https://www.reuters.com/sports/baseball/jack-flahe... |
| 9/04/25 | Detroit Tigers expected to have to make major Jack Flaherty decision in free agency. What will the Tigers do with Jack Flaherty? Source: https://sports.yahoo.com/article/detroit-tigers-ex... |
| 8/30/25 | How and where to bet MLB player prop picks and odds for Aug. 30: Jack Flaherty among best bets. The Inside the Lines team is up over 57 units on its nightly MLB home run bets and has also revealed its top MLB player props for Saturday Source: https://www.cbssports.com/mlb/news/how-and-where-t... |
| 8/30/25 | Jack Flaherty, Tigers look to upend Royals. Jack Flaherty does not need to wait long for a chance at redemption against the Kansas City Royals. In his first four career starts versus Kansas City, spanning 2018-21 while pitching for St. Louis, Flaherty allowed just two runs and nine hits over 25 innings while earning a win in each game. Then, Flaherty took the mound against the Royals at home Sunday for the first time with the Tigers and was tagged for eight runs and 10 hits over five innings of a 10-8 loss. Source: https://www.reuters.com/sports/baseball/jack-flahe... |
| 8/27/25 | Insider provides important update on Tigers' Jack Flaherty's free agency. Jack Flaherty has a decision to make in the offseason. Source: https://sports.yahoo.com/article/insider-provides-... |
| 8/24/25 | Tigers can't make comeback stick, Jack Flaherty roughed up in loss to Royals. Anyone who has lamented Jack Flaherty's inconsistency of late didn't have much reason to stop following Sunday. After a great start on Monday against Houston, the Tigers' right-hander gave up eight earned runs in five innings on Sunday against the Kansas City Royals, who salvaged the last game of a three-game series at Comerica Park with a 10-8 victory in front of 31,538 fans. Of course, the ultimate solace for the Tigers (78-54) was that they did what they had to do over the weekend against the Royals (67-64), their closest pursuer in the American League Central at the moment. Source: https://www.detroitnews.com/story/sports/mlb/tiger... |
| 8/24/25 | Detroit Tigers lineup today: Colt Keith scratched due to illness. Detroit Tigers pitcher Jack Flaherty watches against the Minnesota Twins from the dugout in the second inning during a baseball game Wednesday, Aug. 6, 2025, in Detroit. (AP Photo/Paul Sancya) AP By Evan Woodbery | ewoodber@mlive.com DETROIT -- Gleyber Torres will be coming off the bench for the Detroit Tigers on Sunday afternoon. The Tigers (78-53) will go for a series over the Kansas City Royals (66-64) and their sixth straight win at 1:40 p.m. at Comerica Park. Colt Keith was in the original lineup but was scratched due to an illness. Jahmai Jones entered as the right fielder, shifting Wenceel Perez to center, Javier Baez to second base and Zach McKinstry to third base in the new lineup. In Source: https://www.mlive.com/tigers/2025/08/detroit-tiger... |
| 8/24/25 | Tigers' Jack Flaherty bids to build momentum in finale vs. Royals. Jack Flaherty's last outing alleviated any concerns about the veteran right-hander's effectiveness. Flaherty will try to build off that performance when the Tigers host the Kansas City Royals in the finale of a three-game series on Sunday afternoon. Flaherty gave up a combined 10 earned runs in nine innings in his previous two starts before a dominant performance against Houston on Monday. Source: https://www.reuters.com/sports/baseball/tigers-jac... |
| 8/19/25 | Jack Flaherty's strong start, 4 homers lead Tigers to 10-0 rout of Astros. Jack Flaherty struck out nine batters in seven scoreless innings and the Detroit Tigers went on to beat the Houston Astros 10-0 on Monday night. Wenceel Pérez, Riley Greene, Trey Sweeney and Colt Keith homered for the Tigers, who were coming off a 5-2 road trip. Source: https://wwmt.com/sports/content/jack-flahertys-str... |
| 8/19/25 | Jack Flaherty's strong start, 4 homers lead Tigers to 10-0 rout of Astros. Jack Flaherty struck out nine batters in seven scoreless innings and the Detroit Tigers went on to beat the Houston Astros 10-0 on Monday night. Wenceel Pérez, Riley Greene, Trey Sweeney and Colt Keith homered for the Tigers, who were coming off a 5-2 road trip. Source: https://www.wzzm13.com/article/sports/mlb/tigers/t... |
| 8/18/25 | Game 127: Detroit Tigers vs. Houston Astros, 6:40 p.m.. The Tigers open their homestand against the Astros with Jack Flaherty on the mound. Source: https://sports.yahoo.com/article/game-127-detroit-... |
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