Rays vs Yankees Prediction, September 23, 2026 | Yankees moneyline
Ian Seymour vs Gerrit Cole at Yankee Stadium
Published September 23, 2026 · MLB Prediction Data Lab
The moneyline on Yankees at -157 is a run-prevention bet first. Ian Seymour projects 4.34 earned runs allowed across a 8.49-inning start plus relief; Gerrit Cole projects 3.48. The side that prevents more does not have to outslug anyone.
Full slate: MLB picks today, September 23, 2026.
The listed matchup
Tampa Bay Rays (96–61) at New York Yankees (90–67), Yankee Stadium, Bronx. Ian Seymour, a left-hander, is listed for the visitors. Gerrit Cole, a right-hander, is listed for the home club. Void the play if either listed starter is scratched.
| Side | Listed starter | Record | Park |
|---|---|---|---|
| Rays | Ian Seymour | 96–61 | Yankee Stadium |
| Yankees | Gerrit Cole | 90–67 | Open, grass |
The two starters, measured per batter faced
Rate statistics expressed per nine innings reward pitchers who work deep. Expressing them as a share of batters faced removes that distortion. Ian Seymour has faced 534 hitters. Gerrit Cole has faced 497.
| Starter | BF | K% | BB% | K−BB | K/BB | Pitches/BF |
|---|---|---|---|---|---|---|
| Ian Seymour | 534 | 29.0 | 6.7 | 22.3 | 4.31 | 3.86 |
| Gerrit Cole | 497 | 24.7 | 4.4 | 20.3 | 5.59 | 3.71 |
| Starter | W-L | ERA | IP | WHIP | K/9 | BB/9 | HR/9 | Opp AVG |
|---|---|---|---|---|---|---|---|---|
| Ian Seymour (L) | 9-7 | 4.38 | 127.1 | 1.17 | 10.96 | 2.54 | 1.77 | .233 |
| Gerrit Cole (R) | 9-9 | 3.63 | 121.1 | 1.10 | 9.12 | 1.63 | 1.56 | .238 |
Ian Seymour sits at a 4.38 ERA with a 1.17 WHIP and 36 walks in 127.1 innings. Gerrit Cole sits at a 3.63 ERA with a 1.10 WHIP and 22 walks in 121.1 innings. Walks stabilize faster than earned runs, so the walk column is the more trustworthy August reading.
Direction inside the season
Season aggregates hide the last month. These are the prior starts, excluding today's outing so the table does not leak a result into a published prediction.
| Ian Seymour — last starts | IP | ER | K | BB | H | HR | Pitches |
|---|---|---|---|---|---|---|---|
| 2026-08-25 | 5.2 | 3 | 5 | — | 7 | 1 | 88 |
| 2026-08-31 | 6.1 | 3 | 10 | — | 6 | 1 | 88 |
| 2026-09-06 | 3.0 | 3 | 2 | 1 | 5 | 2 | 75 |
| 2026-09-12 | 6.0 | 2 | 10 | 1 | 4 | 1 | 79 |
| 2026-09-18 | 5.0 | 4 | 5 | 2 | 7 | 2 | 87 |
| Gerrit Cole — last starts | IP | ER | K | BB | H | HR | Pitches |
|---|---|---|---|---|---|---|---|
| 2026-08-27 | 6.0 | 3 | 5 | 1 | 6 | 1 | 79 |
| 2026-09-01 | 5.1 | 3 | 5 | 1 | 8 | — | 90 |
| 2026-09-06 | 7.0 | 4 | 3 | — | 6 | 4 | 84 |
| 2026-09-12 | 4.1 | 5 | 4 | — | 9 | 3 | 77 |
| 2026-09-18 | 6.0 | 2 | 6 | — | 4 | 1 | 90 |
The run environment, before the starters
Rays have scored 713 runs in 157 games (4.54 per game) with a .729 OPS. Yankees have scored 716 in 157 (4.56) with a .718 OPS. The pitching staffs have allowed 3.99 and 3.71 runs per game.
| Club | Record | R/G | OPS | Staff ERA | Staff WHIP | RA/G |
|---|---|---|---|---|---|---|
| Rays | 96–61 | 4.54 | .729 | 3.67 | 1.13 | 3.99 |
| Yankees | 90–67 | 4.56 | .718 | 3.21 | 1.16 | 3.71 |
Reassembling the buckets
Ian Seymour averages 8.49 innings per start. Gerrit Cole averages 5.78. Weight each starter's own earned run average across that length, then hand the remainder of the nine innings to his club's season staff rate. That is a conservative relief proxy — it mixes rotation and bullpen — and it is stated as a limitation, not hidden.
| Side | Starter IP | Starter ERA | Relief IP | Staff ERA | Projected ER |
|---|---|---|---|---|---|
| Rays (Ian Seymour) | 8.49 | 4.38 | 0.51 | 3.67 | 4.34 |
| Yankees (Gerrit Cole) | 5.78 | 3.63 | 3.22 | 3.21 | 3.48 |
| Combined | 7.82 |
A combined 7.82 projected earned runs. Unearned runs are ignored. Neither starter hits his average length every night. The opposing lineups are not in the formula; they sit in the table above.
The park
Yankee Stadium is listed at 318 feet to left, 399 feet to left center, 408 feet to center, 385 feet to right center, 314 feet to right, on grass, open at 55 feet above sea level with a listed capacity of 46,537. Park dimensions do not decide a total by themselves. They decide whether a walk plus a ball in the air becomes two runs or a long out.
Where this reading is weakest
Moneyline edges this thin die when the length assumption fails. If the better starter is out in the fourth, the staff rate takes over and the partition no longer applies.
What would falsify it
A short outing from the starter on the backed side, or a crooked inning against the relief bucket that the partition treats as average, is the miss. The model is only as good as the length assumption of 8.49 and 5.78 innings.
The position
New York Yankees ML at -157, 1 units. A price of -157 implies a 61.1% break-even. Grade it against this published number. If a listed starter is scratched, the play is void.
- New York Yankees ML -157 · 1u
Who is on the mound?
Ian Seymour for Rays. Gerrit Cole for Yankees. Those names come from the MLB probable-pitcher feed, not from a guessed rotation.
Why use batters-faced rates instead of ERA?
Earned run average is a counting result. Strikeout and walk rates as a share of batters faced describe the process that produced it, and they stabilize on a smaller sample. Ian Seymour at 22.3 points of K−BB separation versus Gerrit Cole at 20.3 is the comparison ERA hides.
How is the pick graded?
Against the published price, on the public record. Pending is not a win. Today's full card lives at a stable URL: mlb-picks.html.
Pick, odds, and unit size come from the BetLegend daily tracker. Probable starters, season rates, and venue facts are from the MLB Stats API. Educational analysis. 18+ only. 1-800-GAMBLER.