MLB / Ballpark Profile
T-Mobile Park Park Factors
Home run, runs, wOBA and hard hit park factors for T-Mobile Park, home of the Seattle Mariners, split by batter handedness. Index 100 is league average.
This is the reference version. For today's weather, wind direction and confirmed lineups at this ballpark, open the live T-Mobile Park page.
| Season | Batter side | HR | Runs | wOBA | Hits | Hard hit | PA |
|---|---|---|---|---|---|---|---|
| 2026 | Right-handed | 94 | 81 | 90 | 90 | 97 | 6668 |
| 2026 | Left-handed | 122 | 94 | 97 | 95 | 96 | 8452 |
| 2025 | Right-handed | 101 | 83 | 91 | 88 | 97 | 9677 |
| 2025 | Left-handed | 95 | 85 | 92 | 90 | 101 | 9246 |
| 2024 | Right-handed | 93 | 77 | 88 | 85 | 93 | 9535 |
| 2024 | Left-handed | 85 | 81 | 90 | 91 | 103 | 7452 |
Index 100 is league average. Above 100 favours the hitter, below 100 favours the pitcher. Seasons with fewer than 1,000 plate appearances are excluded. Data through 2026-09-08.
How T-Mobile Park plays
Against right-handed hitters T-Mobile Park is pitcher friendly for home runs, with a home run factor of 94 in 2026. Against left-handed hitters it is hitter friendly, at 122. At 31 feet, elevation is not a meaningful factor here.
As an open air ballpark, wind and temperature move the numbers above on any given night. The park factor is the long run baseline, not the forecast for today.
Reading these numbers
Each column is an index where 100 is the league average for that outcome. The home run column is the one that moves DFS and betting decisions most, because home runs are the highest variance scoring event and the one most sensitive to stadium shape. The hard hit column is useful as a check: if home runs are elevated but hard hit contact is not, the park is converting ordinary contact into home runs through its dimensions rather than through better hitting.
Read the row that matches which side of the plate the hitter stands on. A single blended number hides the handedness split, which at an asymmetric park is usually the part that matters.
Related
Frequently asked questions
Is T-Mobile Park a hitters park?
Against right-handed hitters T-Mobile Park is pitcher friendly for home runs, with a home run factor of 94. Against left-handed hitters it is hitter friendly, at 122. Index 100 is league average.
What is the T-Mobile Park home run park factor?
94 against right-handed hitters and 122 against left-handed hitters, for the 2026 season. Above 100 means more home runs than an average park.
Does T-Mobile Park have a roof?
No. T-Mobile Park is an open air ballpark, so wind and temperature affect how it plays on any given night.
How high above sea level is T-Mobile Park?
About 31 feet. At 31 feet, elevation is not a meaningful factor here.