Tampa Bay Rays vs Seattle Mariners Prediction
Prediction pending — the engine scores this game once the probable starters are posted
Rays
73-46 · W8
Mariners
56-64 · L5
Final Result & Grading
Pre-Game Win Probabilities
The engine hasn’t scored this game yet — predictions are written once the probable starters are posted, usually 24–48 hours out. This page fills in on its own when they land.
Starting Pitchers
Recent Form
Oldest on the left, most recent on the right — hover any result for the opponent and score.
Team Stats · 2026 Season
| Rays | Mariners | |
|---|---|---|
| Record | 73-46 | 56-64 |
| Win % | .613 | .467 |
| Division | AL East | AL West |
| Division rank | 1st | 3rd |
| Games back | - | 4.5 |
| Last 10 | 9-1 | 3-7 |
| Streak | W8 | L5 |
| Home record | 41-18 | 33-29 |
| Away record | 32-28 | 23-35 |
| Runs scored/gm | 4.55 | 3.86 |
| Runs allowed/gm | 4.06 | 4.04 |
| Run differential | +58 | -22 |
How The Model Sees It
Rays come in 8-2 over their last 10, scoring 4.00 and conceding 3.60 runs a game. Mariners are 3-7 in their last 10 at 2.50 scored and 5.00 allowed, on 3 straight losses. Rays arrive in the better shape, though ten games is a short window and form is weighted lightly here.
On the mound it is Ian Seymour for Rays against Emerson Hancock for Mariners — the largest single input on this page. One start moves a baseball projection further than a full lineup change would, which is why the engine waits for both probables before scoring a game.
Season run differential reads +58 for Rays and -22 for Mariners. Per game that is 4.55 scored against 4.06 allowed, versus 3.86 and 4.04. Rays are clearly the better side on the season — and differential is a more honest measure than record, because it survives the luck in one-run games.
Mariners are 33-29 at home, Rays 32-28 on the road. Home advantage in baseball is real but small — historically worth something near 54%, not the lopsided edge it carries elsewhere — so the splits inform this projection without dominating it. The ballpark matters more than the venue: run environment varies more between parks than between lineups.
This pick is published before first pitch and will be graded on this page once the game is final, whether it lands or misses.
