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Chase Lee

Tigers Place Casey Mize On 15-Day Injured List

By Nick Deeds | May 10, 2025 at 3:34pm CDT

The Tigers announced right-hander Casey Mize is being placed on the 15-day injured list due to a strained left hamstring. Right-hander Chase Lee is being recalled from Triple-A Toledo to replace Mize on the roster. As noted by Evan Petzold of the Detroit Free Press, manager A.J. Hinch told reporters that the strain was “very mild.” Cody Stavenhagen of The Athletic adds that the issue initially cropped up during his last start against the Rockies, but that it was initially believed to be dehydration.

Given the mild nature of the issue, it’s reasonable to think that a reasonably quick recovery could be on the table for Mize. With that said, Petzold points out that Mize has had issues with his left hamstring before and ultimately ended up missing two months due to the issue last season. Given that previous injury history, it would hardly be a surprise if the Tigers ended up being cautious with Mize’s hamstring. He’ll miss at least the next two weeks due to the issue in any case, but even mild hamstring strains can leave pitchers away from the big league mound for a month or longer.

Losing a pitcher from the starting rotation is always worrisome, but it’s especially disappointing for Mize and the Tigers given the former first-overall pick’s strong start to the 2025 campaign. After throwing just 112 1/3 innings from 2022 to 2024 due to a number of injuries and struggling to a middling 4.57 ERA even when healthy enough to pitch, Mize entered the 2025 season without any assurances of a starting role. He managed to make the club’s Opening Day rotation despite that, however, and has looked excellent in seven starts this year with a sparkling 2.53 ERA across 42 2/3 innings of work. That level of dominance isn’t quite supported by the advanced metrics, as Mize is striking out just 21.0% of his opponents with a 3.93 FIP and 3.81 SIERA, but even those less impressive numbers would be a big step forward for the right-hander if carried forward across a full season.

Now that Mize’s attempts to put together a quality season in the middle of the Tigers rotation are on hold for the time being, Detroit will need to find a way to replace his production in the rotation. Mize was next slated to start for the Tigers on May 13, so a decision won’t be necessary for another few days. Right-hander Alex Cobb threw a live, two-inning bullpen session yesterday that lasted 30 pitches, but isn’t expected to be ready to return from hip inflammation until later this month. Matt Manning and Keider Montero are both on the 40-man roster with starting experience in the majors; Montero’s last start was the same day as Mize’s start against Colorado, while Manning’s came the day prior. That means either righty would be on full rest and able to take the ball if necessary. If the Tigers don’t want to turn to either Montero or Manning as a starter, they’ll likely be left forced to go with a bullpen game against the Red Sox this week.

Fortunately for the Tigers, they’ve gotten generally strong production from the rest of their rotation this year that should help them weather the loss of Mize. Tarik Skubal looks every bit like the reigning AL Cy Young award winner after winning the pitching triple crown last year, Reese Olson has built on an excellent 2024 season with strong numbers again this year, and Jack Flaherty has looked solid even if he isn’t quite as dominant now as he was in his first stint in a Tigers uniform last year. The only slot in the rotation that’s currently providing the club below-average production is that of top prospect Jackson Jobe, but even he had a solid 3.38 ERA before he was torched for six runs in 3 2/3 innings at Coors Field during his last start. As for Lee, the 26-year-old righty made his big league debut with Detroit earlier this year and pitched to a 1.42 ERA in six appearances with six strikeouts against three walks.

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Detroit Tigers Transactions Casey Mize Chase Lee

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Tigers Promote Chase Lee For MLB Debut

By Darragh McDonald | April 22, 2025 at 2:45pm CDT

The Tigers announced that right-hander Chase Lee has been recalled to the major league roster. He was already on the 40-man but is still looking for his major league debut. Righty Keider Montero was optioned as the corresponding move.

Lee, 26, was a sixth-round pick of the Rangers in 2021. He was flipped to the Tigers as part of the deal sending lefty Andrew Chafin to Texas in July of last year. The Tigers added him to their 40-man roster in November to keep him out of the Rule 5 draft.

He isn’t a power arm but throws hitters off with his sidewinding delivery, which allows him to succeed even though his fastball tops out around 90 miles per hour. Overall, he has 182 minor league innings on his track record thus far with a 3.86 earned run average. He has struck out 31.4% of opponents while issuing walks at a reasonable 8.1% clip and getting grounders on roughly half the balls in play he’s allowed.

The Tigers had recently recalled Montero to make a couple of spot starts, thus giving the other members of their rotation a breather. Brenan Hanifee had been optioned out, leaving the club with a slightly shorter bullpen for a few days. (Hanifee was later recalled when Beau Brieske landed on the IL.) Lee’s recall will get things back to the standard five/eight ratio of starters to relievers.

Photo courtesy of Junfu Han, Imagn Images

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Detroit Tigers Chase Lee Keider Montero

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Tigers Designate Three Players For Assignment

By Anthony Franco | November 19, 2024 at 5:05pm CDT

The Tigers designated infielder Eddys Leonard and relievers Ricky Vanasco and Brendan White for assignment. Their spots on the 40-man roster will go to righties Chase Lee, Tyler Mattison and Tyler Owens. Detroit kept that trio out of next month’s Rule 5 draft.

Leonard has held a spot on Detroit’s 40-man roster since they acquired him in a minor trade with the Dodgers in August 2023. The 24-year-old infielder hit .253/.320/.435 between three minor league levels this year. He hasn’t appeared in the majors. Vanasco also landed in Detroit via a small trade with Los Angeles — this one coming this past July. He pitched two scoreless innings at the major league level and has four career appearances. White, who turned 26 yesterday, pitched to a 5.03 ERA across 40 2/3 innings as a rookie in 2023. He spent most of this season on the minor league injured list.

The three players joining the roster are all upper level bullpen arms. Lee, an Alabama product, came over from the Rangers at this year’s deadline in the Andrew Chafin trade. The 26-year-old righty turned in a 2.75 ERA across 36 innings between the two organizations. He punched out 30% of batters faced with a tidy 6.8% walk rate.

Mattison, a 6’4″ pitcher out of Bryant, posted excellent strikeout numbers this year. He fanned nearly 38% of hitters en route to a 2.41 ERA across 59 2/3 innings between High-A West Michigan and Double-A Erie. While the 25-year-old was a bit more advanced than most hitters he faced, he pitched well enough that another team could’ve tried to stash him in the middle innings.

Owens, 24 in January, has been traded twice since entering pro ball as a 13th-round pick in 2021. Originally an Atlanta draftee, he went to the Rangers last offseason for outfielder J.P. Martínez. Texas dealt him to Detroit as part of the Carson Kelly deadline deal. The 5’10” hurler put up a 2.96 ERA while striking out just over a quarter of opponents in Double-A this year.

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Detroit Tigers Transactions Brendan White Chase Lee Eddys Leonard Ricky Vanasco Tyler Mattison Tyler Owens

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