Prospect Baseline Profile

Mason Peters

SEA · High-A · P

Prospect Baseline Rank #163

Player Assessment

Current model read

The clearest reason to pay attention to Mason Peters is the separation between what was expected and what he is currently producing. The 72 Performance Grade sits 27 points above the 45 scouting foundation, a large enough gap to change the shape of the evaluation.

Prospect Score & Development

58/100

Developing composite evaluation

Baseline

69/100

Central modeled outcome; separate from Prospect Score.

Confidence

88/100

High confidence

Evidence strength, separate from model risk.

Performance context

Model-derived assessment

72/100

Solid current production

K/9

Miss ability12.2 K/9Strong strikeout signal

K-BB%

Dominance26.8% K-BBStrong strikeout-to-walk foundation

WHIP

Traffic prevention0.95 WHIPStrong traffic prevention

Scouting Profile

20–80 scouting scale

Overall

Fastball

Slider

Curveball

Control

Grades updated 2026-10-05

Supporting Evidence and What to Watch

Current model assessment

Supporting Evidence

The current Baseline is 69; the model's plausible outcome window runs from 68 on the low end to 72 on the high end. The narrow spread suggests the profile is becoming more settled rather than being driven by one volatile signal. The supporting evidence is comparatively mature, so future movement should require a more meaningful change in performance or scouting information.

What to Watch

The key question is whether the production forces the scouting view upward rather than drifting back toward it. Repeating the same performance against stronger competition or over a larger sample would strengthen the Floor and make the breakout harder to dismiss. That confirmation matters more now than simply adding another short stretch of strong surface numbers.

Model factors and risk context

Model Risk Index10

Age to level44

Track record76

Data quality100

Risk, age-to-level, track record and data quality are separate model fields. A missing value is not zero.

Projected Outcome Range

Floor 68Baseline 69Ceiling 72

These are modeled outcome bands on the Prospect Baseline 0–100 scale, not guaranteed MLB outcomes.

Forecast

Statistical projections

No statistical forecast is published for this player. The current profile data does not include a documented rate forecast method, target population, or validation results.

Development Trajectory

Recorded Baseline assessments

Latest recorded Baseline: 69 on 2026-10-12 · Current Floor 68, Baseline 69, Ceiling 72

Recorded history Current Floor–Ceiling range

The chart connects recorded points only within the same model version and starts a new segment across gaps longer than 120 days. Routine point markers are suppressed; changes of 8 or more Baseline points are marked. The vertical whisker shows the current range and Baseline.

View recorded values

Date	Baseline	Model version
2026-10-12	69	pbm_affbdd7c43a60c55
2026-10-09	69	pbm_affbdd7c43a60c55
2026-10-08	69	pbm_affbdd7c43a60c55
2026-10-07	70	pbm_affbdd7c43a60c55
2026-10-05	70	pbm_affbdd7c43a60c55
2026-10-04	70	pbm_affbdd7c43a60c55
2026-10-03	70	pbm_affbdd7c43a60c55
2026-09-30	70	pbm_affbdd7c43a60c55
2026-09-29	70	pbm_affbdd7c43a60c55
2026-09-25	69	pbm_affbdd7c43a60c55
2026-09-24	69	pbm_affbdd7c43a60c55
2026-09-22	69	pbm_affbdd7c43a60c55
2026-09-21	69	pbm_affbdd7c43a60c55
2026-09-19	69	pbm_affbdd7c43a60c55
2026-09-18	69	pbm_affbdd7c43a60c55
2026-09-17	70	pbm_affbdd7c43a60c55
2026-09-16	70	pbm_affbdd7c43a60c55
2026-09-15	70	pbm_affbdd7c43a60c55
2026-09-14	70	pbm_affbdd7c43a60c55
2026-09-09	70	pbm_affbdd7c43a60c55
2026-09-06	53	pbm_6169a2220134229c
2026-09-05	53	pbm_6169a2220134229c
2026-09-03	53	pbm_6169a2220134229c
2026-09-02	53	pbm_6169a2220134229c
2026-09-01	53	pbm_6169a2220134229c
2026-08-28	55	pbm_6169a2220134229c
2026-08-27	55	pbm_6169a2220134229c
2026-08-25	51	pbm_145fdb152195dbe4
2026-08-23	51	pbm_6169a2220134229c
2026-08-22	51	pbm_6169a2220134229c
2026-08-20	55	pbm_6169a2220134229c
2026-08-19	48	pbm_6169a2220134229c
2026-08-18	48	pbm_6169a2220134229c
2026-08-17	48	pbm_6169a2220134229c
2026-08-16	48	pbm_6169a2220134229c
2026-08-14	48	pbm_6169a2220134229c
2026-08-13	65	pbm_6169a2220134229c
2026-08-11	66	pbm_6169a2220134229c
2026-08-10	66	pbm_6169a2220134229c
2026-08-09	66	pbm_6169a2220134229c
2026-08-08	66	pbm_6169a2220134229c
2026-08-07	66	pbm_6169a2220134229c
2026-08-05	66	pbm_6169a2220134229c
2026-08-03	66	pbm_6169a2220134229c
2026-08-01	66	pbm_6169a2220134229c
2026-07-31	66	pbm_6169a2220134229c
2026-07-30	67	pbm_6169a2220134229c
2026-07-29	67	pbm_6169a2220134229c
2026-07-28	67	pbm_6169a2220134229c
2026-07-27	67	pbm_6169a2220134229c
2026-07-26	67	pbm_6169a2220134229c
2026-07-25	67	pbm_6169a2220134229c
2026-07-24	68	pbm_6169a2220134229c
2026-07-23	68	pbm_6169a2220134229c
2026-07-22	68	pbm_6169a2220134229c
2026-07-21	68	pbm_6169a2220134229c
2026-07-16	68	pbm_6169a2220134229c
2026-07-14	68	pbm_6169a2220134229c
2026-07-12	69	pbm_6169a2220134229c
2026-07-11	69	pbm_6169a2220134229c
2026-07-09	69	pbm_6169a2220134229c
2026-07-07	69	pbm_6169a2220134229c
2026-07-05	69	pbm_6169a2220134229c
2026-07-03	69	pbm_6169a2220134229c
2026-07-01	69	pbm_6169a2220134229c
2026-06-30	69	pbm_6169a2220134229c
2026-06-29	69	pbm_6169a2220134229c
2026-06-28	69	pbm_6169a2220134229c
2026-06-26	69	pbm_6169a2220134229c
2026-06-25	69	pbm_6169a2220134229c
2026-06-24	69	pbm_6169a2220134229c
2026-06-23	69	pbm_6169a2220134229c
2026-06-22	69	pbm_6169a2220134229c
2026-06-21	69	pbm_6169a2220134229c
2026-06-20	69	pbm_6169a2220134229c
2026-06-19	69	pbm_6169a2220134229c
2026-06-18	69	pbm_6169a2220134229c
2026-06-17	69	pbm_6169a2220134229c
2026-06-16	68	pbm_145fdb152195dbe4
2026-06-15	68	pbm_145fdb152195dbe4
2026-06-14	68	pbm_145fdb152195dbe4
2026-06-13	68	pbm_145fdb152195dbe4
2026-06-12	67	pbm_145fdb152195dbe4
2026-06-11	67	pbm_145fdb152195dbe4
2026-06-10	67	pbm_145fdb152195dbe4
2026-06-09	67	pbm_145fdb152195dbe4
2026-06-08	67	pbm_145fdb152195dbe4
2026-06-07	67	pbm_145fdb152195dbe4
2026-06-06	67	pbm_145fdb152195dbe4
2026-06-05	66	pbm_145fdb152195dbe4
2026-06-04	66	pbm_145fdb152195dbe4

Development Outlook

Upside and risk

↑ Upside

The current Ceiling of 72 is 3 points above the Baseline. This is an outcome range, not a timed forecast.

⚑ Risk Factors

Model Risk Index: 10/100. This is a model measure, not a statement of real-world risk. Model confidence is 88/100 and is measured separately. Data quality and developmental uncertainty are also distinct.