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Player props and team markets for the next scheduled MLB meeting between the Tampa Bay Rays and the New York Yankees. Every prop the books have posted for this game is scored the same way: the player’s own game log measured against the exact line on offer, shrunk toward a league prior so a hot fortnight cannot pass for an edge, then compared with the price. The result is an estimate of whether the measured history sits ahead of or behind that price. It is not a claim the sportsbook has it wrong, and it is not a forecast of this game.
Props with a positive shrunk estimate at the current price, at least ten games behind the hit rate, a B− grade or better, and a price a book has refreshed recently. Most props on most games clear none of that. When none do, the page says so rather than ranking the least-bad options.
Every other prop posted for this game, with the reason it did not clear the bar — a thin sample, a price worse than the measured history, a line no book has refreshed. These are real market data and belong on the page; they are not suggestions.
Moneyline, spread, game total and team totals for this MLB game, at the best posted price, alongside how often each side has landed historically. These carry no grade and no edge estimate: there is no calibrated team model behind them, so the page shows the numbers and stops.
Whatever the books have priced for this MLB game — the board on this page loads live rather than from a saved snapshot, so it reflects what is actually on offer now. Each prop carries its measured hit rate, the number of games that rate is drawn from, and how the price compares with that history.
Each prop is measured against the exact line the book is offering, then shrunk toward a league prior so a short hot streak cannot masquerade as an edge. What comes out is an estimate of how the measured history compares with the price — research, not a guarantee, and not a claim that the sportsbook has the price wrong.
Only those with a positive shrunk estimate, at least ten games behind the hit rate, a B− grade or better, and a price a book has refreshed recently. Most props on any given game clear none of that, and when none do this page says so instead of filling the space with the least-bad options.
No. Every figure here is measured history against a current price, and history is not a forecast. Across roughly 96,000 graded props the model tracked the de-vigged consensus across five books to within the margin those books charge: historical testing showed calibration alone is not enough to overcome sportsbook pricing. What this page does is show you the sample behind every number in seconds.
Moneyline, spread, game total and team totals, at the best price posted, with how often each side has landed historically. They carry no grade and no edge estimate, because there is no calibrated team model behind them — so this section shows prices and measured history and stops short of rating them.
Estimate from measured history against this price, after shrinking for sample size — research, not a guarantee.
Past performance does not predict future results. Every figure here is history and estimate, not a forecast of what will happen.
No locks. No guaranteed wins. Just market transparency and automated historical parsing.
Parlay Builder is a research and analytics tool. We do not accept wagers, hold funds, or settle bets, and nothing here is a recommendation to place one.
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New to the numbers on this page? Two short explainers: how to read a hit rate and what its denominator hides, what an over/under line is and what it is not.
17 players in this game carry a posted prop and enough logged history to measure — 8 for the New York Yankees and 9 for the Tampa Bay Rays. The averages below are counted from official box scores and rebuilt daily; the lines and prices for this game load live above, because they move through the day.
| Player | Deepest market | Logged games | Average | At a balanced line |
|---|---|---|---|---|
| Ben Rice | RBIs | 206 | 0.6 RBIs | 77 of 206 over 0.5 (37%) |
| Cody Bellinger | Home Runs | 189 | 0.1 home runs | 21 of 189 over 0.5 (11%) |
| Ryan McMahon | Home Runs | 177 | 0.1 home runs | 14 of 177 over 0.5 (8%) |
| Austin Wells | Hits | 166 | 0.6 hits | 72 of 166 over 0.5 (43%) |
| Heliot Ramos | Hits | 155 | 0.9 hits | 98 of 155 over 0.5 (63%) |
| Anthony Volpe | Home Runs | 103 | 0.0 home runs | 4 of 103 over 0.5 (4%) |
| Spencer Jones | Home Runs | 94 | 0.2 home runs | 16 of 94 over 0.5 (17%) |
| George Lombard Jr. | Home Runs | 49 | 0.1 home runs | 6 of 49 over 0.5 (12%) |
| Player | Deepest market | Logged games | Average | At a balanced line |
|---|---|---|---|---|
| Junior Caminero | Hits | 203 | 1.1 hits | 58 of 203 over 1.5 (29%) |
| Chandler Simpson | Hits | 195 | 1.1 hits | 66 of 195 over 1.5 (34%) |
| Jonathan Aranda | RBIs | 167 | 0.6 RBIs | 64 of 167 over 0.5 (38%) |
| Nick Fortes | Hits | 145 | 0.7 hits | 79 of 145 over 0.5 (54%) |
| Taylor Walls | Hits | 130 | 0.6 hits | 67 of 130 over 0.5 (52%) |
| Jorge Mateo | Hits | 118 | 0.5 hits | 41 of 118 over 0.5 (35%) |
| Ryan Vilade | RBIs | 110 | 0.4 RBIs | 29 of 110 over 0.5 (26%) |
| Victor Mesa Jr. | Hits | 87 | 0.7 hits | 43 of 87 over 0.5 (49%) |
| Nick Martinez | Strikeouts | 48 | 2.6 strikeouts | 27 of 48 over 2.5 (56%) |
Both clubs' own MLB record, counted from official box scores through 2026-09-20 rather than from anything posted for this game — so a club whose season has ended is showing that season. The Tampa Bay Rays have won 111 of 192 logged games at 4.5 points a game; the New York Yankees have won 116 of 197 at 4.8. These are records, not a forecast of this game, and neither column carries a price, a line or a grade.
| Measure | Tampa Bay Rays | New York Yankees |
|---|---|---|
| Logged games in this window | 192 | 197 |
| Games won | 111 of 192 | 116 of 197 |
| Points scored per game | 4.5 | 4.8 |
| At home | 64 of 100 won, 4.6 per game | 55 of 95 won, 4.8 per game |
| Away | 47 of 92 won, 4.4 per game | 61 of 102 won, 4.8 per game |
| Last 10 games | 4.6 per game | 5.6 per game |
| Last 5 games | 4.6 per game | 5.6 per game |
| Highest and lowest score logged | 16 and 0 | 16 and 0 |
| Counted through | 2026-09-20 | 2026-09-20 |
How MLB prop markets behave, measured across the league
Odds and lines come from licensed data feeds and refresh on a schedule; hit rates, edges and grades are Parlay Builder’s own calculations.