Players / Player profile
PIT · AAA · CF

Robert Hassell III

Age 25 B/T L/L 6′1″, 186 lb USA MLB debut 2025
Pittsburgh org

This winter

What the Winter Plan does with Hassell: its decisions feed, the dated moves and the briefs

Likely a minor-league free agent after the World Series.

Keystone’s estimate: first contract (2020) has run seven seasons (unless he re-signed for 2027)

Development · trends & plan

Tracked levels only. Monthly values; gaps mark the offseason. The number beside each line is its last month, with that month’s sample (faded under 50 PA or 150 pitches), not the season.

Trends · MLB

Bat speed 68.5 mph Sep ’25 · 65 PA May ’25 – Sep ’25
Chase rate 27% Sep ’25 · 65 PA May ’25 – Sep ’25
Zone contact 82% Sep ’25 · 65 PA May ’25 – Sep ’25
Exit velocity (avg) 87.0 mph Sep ’25 · 65 PA May ’25 – Sep ’25
xwOBA .235 Sep ’25 · 65 PA May ’25 – Sep ’25
Strikeout rate 37% Sep ’25 · 65 PA May ’25 – Sep ’25

Fielding

2027 rating at every position he can play · OAA by position · range by direction · tools. Same engine as the Fielding Lab and the Winter Plan.

2027 rating by position · best fit first, on the total with the position’s worth
CF +1.1 +3.6
LF +3.1prior −7.4
RF +3.1prior −7.4
Outs Above Average by position
SeasonPosOAARangeArm, DPRunsBatters
2025LF−1−10.0−1.0132
2025RF−2−1+0.1−0.9299
2025CF+1+1+0.4+1.41,657

Runs = range plus his arm and double-play runs spread over his positions by outs (Fielding Run Value, from 2023): what the rating counts.

Range by direction (OAA at CF)
2025 · CF In (charging) +1Back −1Toward 3B line +1Toward 1B line −2vs. RHH 0vs. LHH −2

At CF in 2025, the biggest loss came toward 1B line (−2 outs): a coaching target.

Tools (percentile; arm among CFs)
Arm at CF 89.1 mph · 68th
Sprint speed 28.2 ft/s · 73rd
Reaction +0.1 ft · 64th
Burst 0.0 ft · 56th
Route −1.0 ft · 11th
Catch difficulty (latest season)
PlayMadeChancesRate
★★★★★050%
★★★★1333%
★★★3475%
★★6967%
★1010100%
Zone rating (Keystone expected outs)
SeasonZoneBallsOuts vs. exp.
2025CF163+3.0

The zone rating counts every ball hit to his part of the field while he played there, his club’s positioning included; Savant OAA uses his actual starting spot and is the better individual grade. They agree best in the outfield. See the model card.

Compare in the Fielding Lab →

Triple-A tracking · 2026 percentiles

vs. 461 Triple-A hitters (150+ PA) · 333 tracked PA · the share he beats, so higher is better (less chasing, fewer strikeouts)

Exit velo (avg) 88.6 Exit velo (avg): 88.6, 68th percentile
Zone contact 81% Zone contact: 81%, 39th percentile
Chase % 29% Chase %: 29%, 35th percentile
Strikeout % 25.8% Strikeout %: 25.8%, 27th percentile

Minor leagues

MLB Stats API · public box-score data

SeasonLevelLevelTeamAgeGPA / IPPA / IP ·Line
2026AABradenton Marauders24312 PA 12 PA · .182/.250/.182 · 0 HR · 16.7% K · 8.3% BB
2026AAAAAltoona Curve24524 PA 24 PA · .222/.417/.278 · 0 HR · 16.7% K · 25.0% BB
2026AAAAAAIndianapolis Indians2484343 PA 343 PA · .238/.316/.319 · 2 HR · 25.1% K · 9.9% BB
2025AAAAAARochester Red Wings2376330 PA 330 PA · .310/.383/.456 · 10 HR · 17.3% K · 10.6% BB

Prospect Pipeline: Perf+ 89 over his 2026 season (379 PA, mostly AAA), 1.6 years younger than his level; trend −18.6 since 2025. Tag: Watch. Prospects →

Keystone is an independent portfolio project. It is not affiliated with Major League Baseball or any club. Data: MLB Stats API, Baseball Savant, FanGraphs. Used under their terms for individual, non-commercial use.