MLB The Show 26 Update 7 reveals Diamond Dynasty & PCI System major changes and more
Category: MLB The Show 26 Posted: Apr 30, 2026 Views: 17
MLB The Show 26 is scheduled to release its seventh update since launch on April 30. While the series typically does not introduce new features via standard updates, the changes made to Diamond Dynasty this time around are truly noteworthy.
Below, we provide an overview of Update 7, with a specific focus on analyzing the introduction of ABS in Diamond Dynasty and the changes to PCI, to help you quickly adapt to these adjustments.

MLB 26 Update 7 overview
Although the contents of this update were announced on April 29, the actual implementation into the game will not take place until 4:00 AM PT on April 30. Please note that the update version numbers differ across platforms:
- PS5: 1.007
- Xbox Series X|S: 1.0.50
- Nintendo Switch: 1.07
This update primarily consists of bug fixes addressing various gameplay mechanics and modes over the past period. The key highlights include the introduction of ABS in Diamond Dynasty, changes to PCI, and general new content additions.
General new content
This section refers to the developers adding 2026 City Connect uniforms for two teams, Pittsburgh Pirates and Texas Rangers, to MLB 26.
Additionally, this update confirms that City Connect bats will be added to the game as a whole via future updates. This means that in the future, you will be able to unlock an even richer array of rewards for your roster.
Diamond Dynasty changes
Before introducing new features like ABS, it is worth noting that this update fixes a bug in Head-to-Head mode where players could be erroneously awarded a win or charged with a loss while simply navigating the lineup adjustment screen.
To be honest, this bug should have been fixed before the start of Classic mode last weekend; delaying the fix until today caused a great deal of unnecessary frustration for players.
Regarding the update to the strike zone in Diamond Dynasty mode, the development team has specifically adjusted this mechanic to align with the rules of the real-world ABS system.
This means that in MLB 26, any pitch that merely grazes the edge of the strike zone will now be immediately called a strike.
Furthermore, within Diamond Dynasty, the umpires will continue to maintain a state of perfect accuracy in their calls; consequently, you will not be able to initiate ABS challenges.
In other words, these changes do not mean the game has implemented ABS system identical to the one used in the real world; rather, they simply ensure that whenever your pitch touches the strike zone, the umpire will, much like an ABS system, make a perfectly precise and accurate call.
Another update note adds that, in order to more accurately replicate ABS rules, the strike zone's detection area has been slightly reduced in size following the update.
However, this is purely a visual adjustment and does not alter the actual rules used to determine whether a pitch is a strike or a ball.
If you are an MLB 26 player who struggles with pitching, this update will probably work to your advantage, making your pitching experience much smoother and easier.
This is because, in the past, far too many pitches that clearly grazed the edge of the strike zone were erroneously called balls, a frequent occurrence often attributed to the strike zone's visual boundaries being unrealistically extended outward.
Furthermore, from a batter's perspective, under the existing mechanics, there remains a chance to hit a fair ball, or even a base hit, even if the pitch lands outside the designated strike zone.
PCI shrinkage adjustments
Following the release of Update 7, PCI penalties now apply only once rather than stacking cumulatively.
Regarding the nature of these penalties: for the sake of game balance, the system automatically applies corresponding boosts or penalties to the batter based on the specific pitch type and its location.
For instance, if you, as the pitcher, throw a curveball, your PCI detection window will expand accordingly.
This reflects real-world baseball dynamics, where a poorly executed curveball is considered a pitcher's mistake, offering the batter a prime opportunity to square up the ball with precision.
Conversely, if a pitcher precisely locates a slider in a tricky spot, such as low and away from the batter, that pitch is inherently extremely difficult to hit. Consequently, the system will slightly shrink your PCI detection window to serve as a difficulty penalty.
Prior to this update, if you threw a pitch that was both an off-speed pitch moving away from the batter and located in the lower portion of the strike zone, you would be hit with two separate penalties. Under the new update, these penalties have been consolidated into a single penalty.
Ultimately, PCI shrinkage mechanic remains in effect; it is simply applied to a less severe degree than before.
Additionally, it is crucial to remember that your swing timing plays a pivotal role in determining the actual size of your PCI. While this is, on the whole, a positive change, it is unfortunate that the issue regarding foul balls remains unresolved.
In light of this, we suggest that future updates implement a more decisive measure, specifically by completely eliminating very early and very late timing windows, thereby making it impossible to make contact with the ball during those specific moments.
Cracking down on violations
Although this section does not pertain directly to gameplay mechanics, it is certainly worth discussing.
After all, as various forms of in-game cheating become increasingly rampant, the development team's commitment to combating such behavior often serves as a key factor in a player's decision to continue supporting a game.
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In the patch notes for this update, MLB The Show 26 team stated that any form of cheating, whether through the exploitation of game glitches or the use of unauthorized third-party tools, is strictly prohibited.
Furthermore, they affirmed that they will actively monitor in-game activities to identify and penalize violators.
While the developers did not disclose the specific methods of surveillance or publish a list of banned players, we remain hopeful that these measures are genuinely effective, rather than merely being perfunctory gestures intended to placate players who faithfully adhere to the rules.
That concludes our overview of the latest update. We hope you are pleased with the new content introduced in MLB The Show 26!
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