Prospect Baseline Prospect Baseline
Model Last Run Sep 25, 2026 · 2:59 PM ET

Included in the latest imported public model. All figures reflect the saved assessment dates.

Player profile

Juan Rijo

SEA · DSL · OF

Seattle Mariners · Age at assessment: 18.1 · Bats: L · Throws: L

Results Ahead of Tools
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Assessment saved: · Stats updated:

Game power ahead of the tool grade

Current extra-base impact is outperforming the verified power expectation

High Confidence · 99%
PB Rank#703
Prospect Score60
Median57
Performance56
Trend0.0%

Why the player is here

  • Power 50; game-power evidence sits near the 82th percentile for comparable players
  • ISO is 0.167

Context for this assessment, not a verified explanation for movement between model runs.

Tool vs observed results

Percentile scale
Contact+16.7 percentile gap
Expected 50 Observed 67
Game Power+32.4 percentile gap
Expected 50 Observed 82

Verified tool expectations alongside results for comparable players. Percentiles are not scouting grades.

Model history

Median movement
First recorded 41 Latest recorded 57
61 49 37 2026-06-04 · Median 41 2026-06-05 · Median 41 2026-06-06 · Median 41 2026-06-07 · Median 41 2026-06-08 · Median 41 2026-06-09 · Median 41 2026-06-10 · Median 41 2026-06-11 · Median 44 2026-06-12 · Median 43 2026-06-13 · Median 43 2026-06-14 · Median 43 2026-06-15 · Median 43 2026-06-16 · Median 43 2026-06-17 · Median 43 2026-06-18 · Median 43 2026-06-19 · Median 43 2026-06-20 · Median 43 2026-06-21 · Median 43 2026-06-22 · Median 43 2026-06-23 · Median 43 2026-06-24 · Median 43 2026-06-25 · Median 43 2026-06-26 · Median 43 2026-06-28 · Median 43 2026-06-29 · Median 43 2026-06-30 · Median 43 2026-07-01 · Median 43 2026-07-03 · Median 45 2026-07-05 · Median 51 2026-07-07 · Median 51 2026-07-09 · Median 53 2026-07-11 · Median 52 2026-07-12 · Median 54 2026-07-14 · Median 56 2026-07-16 · Median 56 2026-07-21 · Median 56 2026-07-22 · Median 55 2026-07-23 · Median 55 2026-07-24 · Median 56 2026-07-25 · Median 56 2026-07-26 · Median 55 2026-07-27 · Median 56 2026-07-28 · Median 56 2026-07-29 · Median 55 2026-07-30 · Median 55 2026-07-31 · Median 55 2026-08-01 · Median 55 2026-08-03 · Median 55 2026-08-05 · Median 53 2026-08-07 · Median 53 2026-08-08 · Median 53 2026-08-09 · Median 53 2026-08-10 · Median 53 2026-08-11 · Median 54 2026-08-13 · Median 54 2026-08-14 · Median 55 2026-08-16 · Median 54 2026-08-17 · Median 53 2026-08-18 · Median 53 2026-08-19 · Median 53 2026-08-20 · Median 53 2026-08-22 · Median 53 2026-08-23 · Median 53 2026-08-25 · Median 53 2026-08-27 · Median 57 2026-08-28 · Median 57 2026-09-01 · Median 57 2026-09-02 · Median 57 2026-09-03 · Median 57 2026-09-05 · Median 57 2026-09-06 · Median 57 2026-09-09 · Median 57 2026-09-14 · Median 56.7 2026-09-15 · Median 57 2026-09-16 · Median 57 2026-09-17 · Median 57 2026-09-18 · Median 57 2026-09-19 · Median 57 2026-09-21 · Median 57 2026-09-22 · Median 57 2026-09-24 · Median 57 2026-09-25 · Median 57 2026-06-04 2026-09-25

2026-09-25 · Median 57

Saved median assessments. Gaps indicate unavailable or non-comparable observations.
View recorded values
DateMedian
2026-09-2557
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Metrics to follow

ISO 0.167

Separates extra-base impact from batting average

Definition

Isolated power, calculated as slugging percentage minus batting average

SLG 0.477

Tracks total bases per at-bat

Definition

Slugging percentage, weighting extra-base hits more heavily

K% 21.9%

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

2026 season

Current season · regular season
G51
PA219
AVG.310
OBP.434
SLG.477
OPS.911
HR3
SB9
BB%16.4%
K%21.9%

DSL Mariners · DSL · Updated

Scouting Scenario Range

Model Range0.0%
515763
LowMedianHigh
206099
Performance 56

Profile Context

RiskLow Risk · 24
MLB / Model Watch
Confidence84
TypePosition Player

Backtested Forecasts

Separate from scouting grades
2027 MiLB production44.6
Historical 80% error band26–63
MLB arrival in 3 years11%
Productive MLB role in 3 years3%

The next-season score assumes at least 100 PA. A productive MLB role means a regular playing-time season with above-average measured hitting or pitching production. This is not a WAR forecast.

Scouting Tools

Source: Verified public scouting report
Hit icon
Hit50Avg
Power icon
Power50Avg
Speed icon
Speed50Avg
Defense icon
Defense50Avg
Arm icon
Arm50Avg
Overall icon
Overall45Fringe

Tool Profile

Tool ProfileHitPowerSpeedDefenseArm20-80 grade scaleArchetype: Balanced Position Player

Player Stats

Recent regular season
PeriodTeamLevelGPAABRH2B3BHRRBIBBSOSBAVGOBPSLGOPS
Last 7 daysNo recent game logs available
Last 30 daysNo recent game logs available
Year-by-year regular season
YearTeamLevelGPAABRH2B3BHRRBIBBSOSBAVGOBPSLGOPS
2026DSL MarinersDSL51219174425414332936489.310.434.477.911

Regular season only. Totals combine team and level stints. Recent windows overlap and use cached game logs. Stats refreshed: 2026-09-25T14:54:05.

Checklist appearances

  • 2026 Bowman Chrome · First Bowman · First autograph
Explore the checklist tool

More Seattle Mariners profiles

Organization reflects each player's saved assessment.