Brendan Summerhill
Tampa Bay Rays · Age at assessment: 22.9 · Bats: L · Throws: R
Power not yet translating
The verified power grade is running ahead of current game power. ISO and slugging are the clearest checkpoints
High Confidence · 99%Why the player is here
- Power 45; game-power evidence sits near the 26th percentile for comparable players
- ISO is 0.102
Context for this assessment, not a verified explanation for movement between model runs.
Tool vs observed results
Percentile scaleVerified tool expectations alongside results for comparable players. Percentiles are not scouting grades.
Model history
Median movement2026-09-25 · Median 56
View recorded values
| Date | Median |
|---|---|
| 2026-09-25 | 56 |
| 2026-09-24 | 56 |
| 2026-09-22 | 56 |
| 2026-09-21 | 56 |
| 2026-09-19 | 56 |
| 2026-09-18 | 56 |
| 2026-09-17 | 56 |
| 2026-09-16 | 56 |
| 2026-09-15 | 56 |
| 2026-09-14 | 55.7 |
| 2026-09-09 | 56 |
| 2026-09-06 | 55 |
| 2026-09-05 | 55 |
| 2026-09-03 | 55 |
| 2026-09-02 | 55 |
| 2026-09-01 | 55 |
| 2026-08-28 | 55 |
| 2026-08-27 | 55 |
| 2026-08-25 | 50.3 |
| 2026-08-23 | 50.3 |
| 2026-08-22 | 50 |
| 2026-08-20 | 50 |
| 2026-08-19 | 43 |
| 2026-08-18 | 43 |
| 2026-08-17 | 43 |
| 2026-08-16 | 43 |
| 2026-08-14 | 43 |
| 2026-08-13 | 44 |
| 2026-08-11 | 44 |
| 2026-08-10 | 44 |
| 2026-08-09 | 44 |
| 2026-08-08 | 44 |
| 2026-08-07 | 44 |
| 2026-08-05 | 44 |
| 2026-08-03 | 44 |
| 2026-08-01 | 44 |
| 2026-07-31 | 44 |
| 2026-07-30 | 44 |
| 2026-07-29 | 44 |
| 2026-07-28 | 44 |
| 2026-07-27 | 44 |
| 2026-07-26 | 44 |
| 2026-07-25 | 44 |
| 2026-07-24 | 44 |
| 2026-07-23 | 44 |
| 2026-07-22 | 44 |
| 2026-07-21 | 44 |
| 2026-07-16 | 44 |
| 2026-07-14 | 44 |
| 2026-07-12 | 44 |
| 2026-07-11 | 44 |
| 2026-07-09 | 44 |
| 2026-07-07 | 44 |
| 2026-07-05 | 44 |
| 2026-07-03 | 44 |
| 2026-07-01 | 42 |
| 2026-06-30 | 42 |
| 2026-06-29 | 42 |
| 2026-06-28 | 42 |
| 2026-06-26 | 42 |
| 2026-06-25 | 42 |
| 2026-06-24 | 42 |
| 2026-06-23 | 42 |
| 2026-06-22 | 42 |
| 2026-06-21 | 42 |
| 2026-06-20 | 42 |
| 2026-06-19 | 42 |
| 2026-06-18 | 42 |
| 2026-06-17 | 42 |
| 2026-06-16 | 42 |
| 2026-06-15 | 42 |
| 2026-06-14 | 42 |
| 2026-06-13 | 42 |
| 2026-06-12 | 42 |
| 2026-06-11 | 42 |
| 2026-06-10 | 42 |
| 2026-06-09 | 42 |
| 2026-06-08 | 42 |
| 2026-06-07 | 42 |
| 2026-06-06 | 42 |
| 2026-06-05 | 42 |
| 2026-06-04 | 42 |
Metrics to follow
Separates extra-base impact from batting average
Definition
Isolated power, calculated as slugging percentage minus batting average
Tracks total bases per at-bat
Definition
Slugging percentage, weighting extra-base hits more heavily
Shows the swing-and-miss cost of accessing power
Definition
Percentage of plate appearances ending in a strikeout. Lower is generally better for hitters
Next checkpointRecheck ISO, SLG, and K% after the next 75 plate appearances
