Trade: MLB The Show 27: Cover Athlete
Resolution criteria on PolyGram: This market will resolve to “Yes” if the listed player is announced as the cover athlete of Sony Interactive’s MLB The Show 27, or if the player is explicitly depicted on the cover. Otherwise, this market will resolve to “No”. Only explicit depictions of the player or their likeness (including but not limited to: a player’s face, a clear depiction in uniform including logo and/or number) will be considered for this market’s resolution. All editions (e.g. standard, deluxe, bundle) of the game for console platforms slated for release by March 31, 2027, 11:59 PM ET will count toward this market’s resolution.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
- Liquidity
- $38
- Total Volume
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- 24h Volume
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- Open Interest
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Market outcomes
| Bryce Harper | 50% YES | 51% NO |
| Juan Soto | 50% YES | 51% NO |
| Francisco Lindor | 50% YES | 51% NO |
| Matt Olson | 50% YES | 51% NO |
| Junior Caminero | 50% YES | 51% NO |
| Brice Turang | 50% YES | 51% NO |
| Kyle Schwarber | 50% YES | 50% NO |
| Mike Trout | 50% YES | 50% NO |
Market context
Sony Interactive Entertainment will announce and release MLB The Show 27 by March 2027, selecting a professional baseball player to feature as the cover athlete. The identity of this athlete remains unconfirmed, with the publisher typically revealing the cover star several months ahead of launch. The current orderbook on Polymarket reflects a 50% implied probability for the specified player, suggesting the market perceives roughly even odds of this particular athlete being selected amongst the field of potential candidates.
Historical precedent offers limited guidance on cover selection patterns. MLB The Show 21 featured Fernando Tatis Jr., whilst The Show 22 showcased Shohei Ohtani. The franchise has occasionally featured multiple cover variants across different editions, complicating resolution criteria. The 50% probability suggests meaningful uncertainty about whether this player ranks amongst Sony's top choices or represents a secondary consideration. Cover selections typically correlate with player prominence, recent performance, marketability, and contractual relationships with the publisher.
Traders should monitor Sony's official announcements regarding The Show 27's cover reveal, typically occurring 4–6 months before release. Recent reporting from gaming outlets including IGN and GameSpot tracks franchise developments closely. The player's on-field performance during the 2026 MLB season will influence cover selection calculus, as publishers favour athletes with elevated public profiles. Any explicit statements from Sony or the player's representatives regarding cover involvement would constitute direct catalysts. The March 2027 deadline creates a defined resolution window, with cover announcements likely materialising by late 2026.
Wikipedia Context
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MLB ShowdownMLB Showdown is an out-of-print collectible card game made by Wizards of the Coast that ran from April 2000 to 2005. The game was introduced to the public in 2000, featuring Atlanta Braves third baseman Chipper Jones on the product cover. Subsequent cover athletes included Shawn Green, Gary Sheffield, Manny Ramírez, Luis Gonzalez, Torii Hunter, Albert Pujols
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MLB: The ShowMLB: The Show is an American baseball video game series created and developed by San Diego Studio and published by Sony Interactive Entertainment. The series has received critical and commercial acclaim, and since 2014 has been the sole Major League Baseball simulation video game on the market for consoles.
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MLB The Show 19MLB The Show 19 is a 2019 baseball video game developed by San Diego Studio and published by Sony Interactive Entertainment for the PlayStation 4. It is the fourteenth installment in the MLB: The Show series. Philadelphia Phillies outfielder Bryce Harper is featured as the cover star.
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MLB The Show 26MLB The Show 26 is a baseball video game developed by San Diego Studio and published by Sony Interactive Entertainment. It is the twenty-first installment in the MLB: The Show series and was released on March 17, 2026, for the Nintendo Switch, PlayStation 5, and Xbox Series X/S.
How this market resolves
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
How to trade this market step by step
The mechanics for trading "MLB The Show 27: Cover Athlete" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
- Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
- Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
- Pick a side. Buy YES if you believe the event will happen; buy NO if you think it won't. The current YES price reflects the market's collective probability.
- Size your position. If you stake 100 USDC at 50% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
- Set risk controls (optional). Stop-loss, take-profit, and limit-order types all supported. Use the trade ticket's slippage box to cap your maximum entry price.
- Wait for resolution. When the event resolves on-chain via the UMA optimistic oracle, the winning side settles to 100¢ automatically and USDC hits your balance within seconds. Withdrawable to any wallet you control.
How active is this market?
$0 in lifetime turnover and $38 of resting liquidity puts this market in the below the median by volume for gaming contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Key terms
- YES / NO share
- A binary outcome token that pays $1.00 if the underlying claim resolves true (YES) or false (NO), and $0 otherwise. The market price between 0¢ and 100¢ is the implied probability.
- CLOB
- Central limit order book. The matching engine that pairs YES buyers with NO buyers (effectively the same trade). Polymarket's CLOB on Polygon executes trades on-chain via the conditional-tokens framework.
- Liquidity
- USDC capital sitting in resting limit orders inside the order book. Deeper liquidity means smaller slippage on large trades and a tighter bid-ask spread.
- UMA optimistic oracle
- The on-chain dispute system that settles each Polymarket market. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution.
- Slippage
- The difference between the displayed mid-price and your fill price. Affects market orders most; limit orders avoid slippage but may take time to fill.
- Conditional token
- ERC-1155 outcome share issued by Gnosis Conditional Tokens on Polygon. The token type that resolves to $1.00 or $0.00 at settlement.
Frequently asked questions
How does this market resolve?
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
How can I trade on "MLB The Show 27: Cover Athlete"?
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
What happens when the market resolves?
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Risk and regulatory note
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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