Prospect Baseline Profile
Robert Arias
CLE · Single-A · OF
Bats L · Throws LPB Rank#331Overall ranking
Baseline61Positive outcome
Trend-23.6Falling
Confidence90Strength of available evidence
Projected Outcome
Fixed 20–100 scaleFloor60Lower-end outcome
Baseline61Most likely outcome
Ceiling66High-end outcome
Scouting Profile
20–80 scaleSource: MLB Pipeline · Updated 2026-09-29
Why He Stands Out
Performance Grade (63) is 23 points above the verified Scout Grade (40); the derived projection is cooling.
What the Model Sees
Baseline is 61, between a 60 Floor and 66 Ceiling on Prospect Baseline’s outcome scale. The narrow range reflects a more contained model outlook.
What to Watch
Track whether performance and scouting evidence converge.
Performance
Selected evidence63Solid current performance
Offensive impact.859 OPSStrong overall offensive impact
Contact14.2% KStrong contact signal
Approach15.3% BBStrong on-base approach
Model Detail
Prospect ScoreDeveloping51Composite score used to sort the current board.
RiskHigh12Uncertainty surrounding the projected outcome.
Age-to-LevelUnavailableN/AHow advanced the player is relative to the level.
Track RecordUnavailableN/AStability of the model record over time.
Data QualityUnavailableN/ACompleteness and reliability of available inputs.
Forecasts
Player Background
OrganizationCleveland Guardians
LevelSingle-A
PositionOF
BatsL
ThrowsL
Development History
Model history
Median movement
First recorded 63
Latest recorded 61
Change -2.0
2026-10-07 · Median 61
View recorded values
| Date | Median |
|---|---|
| 2026-10-07 | 61 |
| 2026-10-05 | 61 |
| 2026-10-04 | 61 |
| 2026-10-03 | 63 |
| 2026-09-30 | 63 |
| 2026-09-29 | 63 |
| 2026-09-25 | 63 |
| 2026-09-24 | 63 |
| 2026-09-22 | 63 |
| 2026-09-21 | 63 |
| 2026-09-19 | 63 |
| 2026-09-18 | 63 |
| 2026-09-17 | 63 |
| 2026-09-16 | 63 |
| 2026-09-15 | 63 |