PXP

San Diego Studio documents the system. It does not document the numbers.

Every PXP guide on the internet, this site included, runs on a set of figures: 500 XP for Parallel 1, 40 PXP for a home run, a 1.8 multiplier on All-Star. Those numbers are useful and they are probably close to right. They are also not published by anyone at San Diego Studio, and two of the largest community sources disagree with each other about four of them.

These 29 guides cover the grind itself: how PXP is earned, which difficulty and game length pay best per hour, how to plan a Parallel 5 run, which cards deserve the time, and what to do when a card looks stuck. Below the post list is the sourcing layer, which almost nobody publishes. What the developer has actually said in writing, which figures are community estimates, why two PXP calculators can give you different answers, and the one method for planning a grind that does not depend on any unverified table.

To forecast games needed from your own numbers, the Diamond Dynasty PXP calculator does the arithmetic. This page is about how much confidence to place in the inputs.

Everything the developer has said about Parallel XP, in its own words

San Diego Studio publishes the shape of the system clearly enough. Five levels, a stat boost at each one, and progress that survives selling the card. Here is the complete set of official statements, quoted from the publisher's own pages.

That second quote is the one worth internalizing before you spend a weekend grinding. PXP is attached to the player, not to the copy of the card in your inventory. Sell the card, buy it back later, and the parallel level is still there. It is the reason parallel progress is worth treating as a long-term investment rather than something tied to a roster slot.

That is the entire official basis for the difficulty and online multipliers that every calculator applies. It confirms the direction and says nothing about the size. No official source names Rookie, Veteran, All-Star, Hall of Fame, Legend or G.O.A.T. in a PXP context, and none attaches a number to any of them.

What the publisher documents against what it leaves out

Why two PXP calculators disagree, and how to stop caring

Feed the same game into two PXP tools and you can get different answers, because they are using different estimates for the same actions. On a single game the gap is small. Across a Parallel 5 run it compounds into a materially different forecast, which is why people finish a grind hundreds of PXP away from where a planner said they would be.

There is a way around this, and it is more accurate than any published table because it measures your actual account, your actual difficulty, your actual mode and your actual playing style all at once.

1. Write down the card's exact current PXP from the Parallel tab on the player card. Not an estimate, the number.
2. Play five games in the mode, difficulty and game length you actually intend to grind in. Five is enough to smooth out one enormous game or one where you went 0 for 4.
3. Write down the PXP again and subtract. Divide by five. That is your real average PXP per game, for you, under those conditions.
4. Feed that average into the forecast rather than a per-action table. Remaining PXP divided by your measured average gives games needed, and it carries no assumptions about what a triple is worth.
5. Re-measure when you change anything. A different difficulty, a different mode, a switch from 3-inning to 9-inning games, or a card moving from the top of the order to the bottom all change the rate. So does a Double PXP event.

What the method also tells you

Running it twice under different conditions answers most of the strategy questions in this collection without needing anyone's multiplier table. Measure five games on All-Star and five on Hall of Fame and you have your own difficulty multiplier. Measure five 3-inning Conquest games and five 9-inning games and you have your own answer on game length, in PXP per hour rather than PXP per game, which is the comparison that actually matters.

Those two experiments are the empirical versions of Which Difficulty Should You Grind PXP On?, 3-Inning vs. 9-Inning Games and Offline vs. Online PXP Grinding. The guides give you the community consensus and the reasoning; the measurement gives you the answer for your own hands on your own controller.

Parallel XP 2.0, and the parts of it that are officially confirmed

MLB The Show 26 released on 17 March 2026 for PS5, Xbox Series and Switch, and the parallel system was rebuilt rather than tuned. The official manual is unusually direct about the scale of the change.

The PlayStation store page describes the same change from the player's side: level up your stars with an upgraded PXP system, customize their skills with Parallel Mods, and hit Parallel V faster through special challenges. The official Diamond Dynasty post adds that an all-new PXP gives you more control and lets you Parallel 5 your players faster than ever, and that you can customize preferred attribute boosts with Parallel Mods to improve weaknesses or double down on strengths.

The strategy questions worth thinking about, and what actually decides each one

Most PXP advice reduces to a multiplier table, which is the least interesting part of the decision. The multiplier is one term in a product, and the other terms are usually larger. Here are the four choices that determine how long a grind takes, and what genuinely settles each one.

Difficulty against your own win rate

Raising the difficulty raises the multiplier and lowers everything it multiplies. On a harder setting you get fewer hits, fewer extra base hits, fewer RBIs and fewer runs, and a pitcher who was going seven innings starts going four. The multiplier is applied to a smaller base, and above some point the product falls rather than rises.

That crossover is personal. A player who hits comfortably on Hall of Fame gains from moving up. A player who moves up and starts losing 2 to 1 with four hits a game has traded a bigger multiplier for a much smaller stat line and made the grind longer. The right test is not what the multiplier table says, it is five games at each of two settings with the PXP recorded before and after. Whichever produces more PXP per hour wins, and it is not always the harder one. Which Difficulty Should You Grind PXP On? works through where the crossover usually sits.

Game length, where per game and per hour give opposite answers

A 9-inning game produces more PXP than a 3-inning game. It also takes three times as long, plus the same fixed overhead at each end. If you compare per game, longer wins every time and the comparison is useless. The denominator that matters is time, and once you switch to it the short game usually pulls ahead, because the overhead per game is roughly constant while the earnings scale with innings played.

The overhead is the part people forget. Menu navigation, lineup setup, loading, the walk to the mound, and the post-game screens all cost the same on a 3-inning game as a 9-inning one. That is why Conquest with 3-inning games became the standard recommendation, and why the honest version of the advice is not that short games earn more but that they earn more per hour once the overhead is counted. 3-Inning vs. 9-Inning Games and The Hidden Time Cost of Parallel 5 both put numbers on the overhead.

One card against the whole lineup

This is really a question about plate appearances, which are the scarce resource in any baseball game. A nine-inning game gives you roughly 38 to 40 plate appearances to distribute across nine hitters. Concentrating them means batting your target card leadoff, keeping it in the game, and accepting that eight other cards earn slowly. Spreading them means everybody improves a little and nothing reaches a threshold soon.

The answer depends on what you want at the end. A single Parallel 5 card is a meaningful upgrade you will feel in every game. Nine cards at Parallel 1 is a +1 across the lineup, which is close to invisible. For most players the concentrated approach finishes something, and finishing something is what makes the grind feel worthwhile. Theme team builders are the exception, because their reward structure depends on the whole squad. Grind One Card or Spread PXP Across Your Lineup? and PXP for Theme Team Builders take the two sides.

Grinding against just buying the better card

The one nobody wants to hear. A Parallel 5 card is the base card plus five points across its attributes. If a card that already has those attributes is available on the market for a price you can reach in an evening of Stubs, the grind is buying you very little for a great many hours.

The calculation is straightforward once you frame it as an exchange rate. Estimate the hours to Parallel 5 from your measured rate, price the equivalent card in Stubs, and ask what your time is worth. The grind wins when the card is one you specifically want to use, when the market price is high, or when the parallel itself is the goal rather than the stat line. It loses when you are grinding a replaceable card because a guide said it was efficient. Buy a Better Card or Parallel Yours? runs the exchange rate properly.

PXP, account XP and program progress are not the same thing

A large share of the confusion in this collection comes from one place. Diamond Dynasty runs three separate progress tracks that all look like experience points, all tick up while you play, and all appear on screen during the same game. Mixing them up produces the single most common complaint, which is a card that seems to earn nothing while a bar somewhere else fills steadily.

Two practical consequences follow. First, playing a game with a card in your lineup earns that card PXP even if the game contributes nothing to a program you care about, so a card can be progressing while nothing visible changes. Second, and more often the actual problem, PXP is tracked against the player rather than the card, so if you own two copies of the same player they are both feeding one total, not two. The Parallel tab on the player card is the only place that shows the truth.

All 29 PXP guides, grouped by where you are in the grind

The archive above runs newest first. These groups follow a grind from understanding the system through to troubleshooting it. Forecasting hands off to the Diamond Dynasty PXP calculator, and the rest of the game tools sit in gaming calculators.

PXP questions, with the sourcing stated

What was checked, and what it said

Official sources here means San Diego Studio, Sony Interactive Entertainment or PlayStation. Community sources are named as such, because on this topic the distinction is the whole point.

• Official, the '26 system. MLB The Show 26 in-game manual, Diamond Dynasty, for Parallel XP 2.0 and Parallel Mods, and the New Features page.
• Official, the definition and the rate statement. theshow.com, What's New in MLB The Show 26: Diamond Dynasty, 4 March 2026, and All-New Double PXP Days for the parallel tier description.
• Official, persistence across sell and rebuy. MLB The Show 24 in-game manual, Diamond Dynasty.
• Official, release and platform detail. PlayStation, MLB The Show 26 game page.
• Checked and found silent. The Sony San Diego Studio support site's Diamond Dynasty section, the full 28-page official manual table of contents, the manual sections for Conquest, Battle Royale, Showdown, Moments and Diamond Quest, and Game Updates 3, 7, 12, 15 and 16. None documents a PXP threshold, a per-action value or a multiplier.
• Community, for the value tables. ShowZone's PXP guide and its separate PXP calculator, which disagree on four hitter values, and showdd.io's PXP page, which matches the guide. All three carry disclaimers that they are not affiliated with Sony San Diego Studio, and none states a methodology.

Where to go next

Forecast a specific grind with the Diamond Dynasty PXP calculator, using your own measured average rather than a table where you can. The gaming calculators collection holds the tools for other games, and everything else on the site is on the Waldev homepage.