The Arizona Fall League is where organizations go looking for answers, and John Peck finally gave the Tigers one on Thursday.
Detroit sent Peck, along with prospects Zyhir Hope and Bryce Rainer, to the AFL after a rough 2026 MLB debut from the 2023 seventh-round pick. Peck’s big-league stint was ugly from the start: he hit .162 with no home runs and seven RBI in 24 games, a line that left little doubt about how much he had to show in the fall.
That pressure only grew when his AFL opening went off the rails. Peck began 2-for-31, and the Tigers had every reason to wonder whether the same problems from his MLB debut were carrying over. Then came the kind of day that can reset a player’s momentum in a hurry.
He went 3-for-5 with a home run, a double, a walk, a steal and five RBI, finishing a triple shy of the cycle. It was the kind of all-around showing the Tigers were hoping to see when they gave him extra at-bats in the first place.
John Peck laces an RBI double into left center. He’s 3-for-5 with a HR, 2B, BB, SB, and 5RBIs today. pic.twitter.com/Pb7iLxGRTz
- Tigers ML Report (@tigersMLreport) October 22, 2026
Peck was never carrying the same spotlight as some of the more buzzed-about names in the system - Hope, Rainer, Cameron Flukey, Max Clark and Max Anderson all drew more fanfare - but he still forced his way to the majors after working up through the pipeline. Detroit needed more than just proximity to the big leagues from him. It needed production.
That’s where things went sideways. In 24 games with the Tigers, Peck went 11-for-68 with one extra-base hit and 16 strikeouts.
His on-base percentage sat at .275, and his .176 slugging percentage was the lowest on the team. The contrast was sharp for a player who had hit .285 with 10 home runs and 44 RBI in 58 games at Double-A, then went .476 with a homer and three RBI in six games with Triple-A Toledo.
So when Peck opened the AFL slowly, the questions only got louder. Thursday didn’t erase them, but it did provide a much-needed jolt. For a player who had to fight to get to Detroit in the first place, the next challenge is just as clear: prove this wasn’t a one-day spike and start building a real run.
In Other News...
Ben Malgeri Just Made Detroits Outfield Debate A Lot Harder
Ben Malgeri has turned a mostly theoretical conversation into a real one for the Tigers. Amid a season shaped by offensive inconsistency and the clubs need to keep reworking a roster that no longer includes Tarik Skubal and Casey Mize, the rookie has given Detroit something it badly needed in the outfield: a legitimate internal option who has held up across the board, from the bat to the glove to the bases. For a team still sorting out how much of its future outfield is already in the organization, that matters.
The ripple effect goes beyond one hot stretch or one surprising rookie showing. Detroit already has to think about how Max Clark fits, and prospects like Zyhir Hope only add to the long view, while a player such as Seiya Suzuki would sit in a very different tier financially. So every bit of production from Malgeri makes the decision tree more complicated, because the Tigers now have to decide whether to keep leaning into the youth movement or go shopping for help that may be harder to afford than it looks. [Read more 🡒]
Tigers Alex Bregman Miss Now Feels Very Different Thanks To One Bat
Alex Bregmans decision to land with Boston after Detroit explored the market now looks different from the Tigers side of the ledger, especially because the club stayed disciplined when the contract terms started to drift beyond what it wanted to commit. At the time, that left a familiar void in the middle of the lineup discussion, the kind of vacancy that makes every follow-up move feel a little more important than it would in a vacuum.
Kevin McGonigle is part of why that missed swing at Bregman feels less painful now. The Tigers have a younger option in house whose offensive profile draws similar comparisons, but with a far friendlier financial outlook and a chance to grow into a long-term answer. Add in how different ballparks can shape those bats, and Detroits choice starts to look less like a near miss and more like a bet on a different kind of value. [Read more 🡒]
Tigers Prospect Zyhir Hope Is Raising A Bigger Question Than Power
Zyhir Hope has long been the kind of prospect who turns heads with the bat, and his Arizona Fall League run has added a different layer to the evaluation. The Tigers already know about the power after he launched 29 home runs in the 2026 minor league season, but the fall slate has put his plate discipline into focus, too, as he matched his 2024 walk total in fewer plate appearances.
For Detroit, that matters because the question around Hope is no longer just how far he can drive the ball, but how often he can put himself in position to do damage. The organization is still sorting through what a short fall league sample really means, especially for a player acquired in the Tarik Skubal trade, but the early signs have at least broadened the conversation about how close he might be to the next level. [Read more 🡒]