Reference layer
Current snapshot
| Age | 25 |
| Height | 6' 0" |
| Weight | 210 lb |
| Debut | 2025-04-15 |
Player profile / Tampa Bay Rays
Ben Williamson
2B profile with live context, projection links, and Mithrandir card history when available.
Club Tampa Bay Rays
Position 2B
Roster Active
Status Healthy / active roster
Rolling projection
Preseason / current pace / Bayesian update
Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.
| xwOBA preseason | 0.294 |
| xwOBA current pace | 0.304 |
| xwOBA rolling p50 | 0.298 |
| Observed weight | 42% |
xwOBA
0.267
0.282
0.298
0.314
0.329
wOBA
0.327
0.351
0.377
0.403
0.426
ISO
0.068
0.089
0.113
0.138
0.159
K%
16.5%
18.2%
20.0%
21.7%
23.4%
Live percentile strip
Current traits vs projection tick
100th = best in MLB.
Hitting · percentile strip
BB%10.2%
68
+51 vs proj
Barrel%0.6%
3
-26 vs proj
Bat speed67.5
24
Exit velocity88.4
48
Hard-hit%41.5%
57
K%21.0%
56
xBA0.329
57
xSLG0.437
26
xwOBA0.304
44
Defense · percentile strip
Arm Strength83.9 · 2B
35
Outs Above Avg-2.0 · 2B
16
Range Runs-1.6 · 2B
26
Baserunning · percentile strip
Base Running Runs0.9 · 2B
74
Sprint Speed28.2 · 2B
75
SB Success Rate75.0% · 2B
Limited
Mithrandir+
Stuff+ and arsenal context
Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.
Avoids Bad ChasesST 67.0% · rebadged research
57
Avoids Bad TakesHPT 32.6% · rebadged research
8
Correct Decisions60.8% · rebadged research
12
Mithrandir Stuff+80
4
Resists Breaking - horizontalwOBA 0.285 · borderline
46
Resists Breaking - verticalwOBA 0.271 · insufficient sample
70
Resists ChangeupwOBA 0.263 · validated thin sample
85
Resists Cutters + splitterswOBA 0.359 · insufficient sample
8
Resists FastballwOBA 0.330 · validated
69
Resists SinkerwOBA 0.373 · validated
18
SEAGER+ Plate Discipline96
23
Rolling form chart
xwOBA snapshot line
Live snapshot series; true 50/100 PA windows require PA-level logs
Optimization map
Arsenal optimization map
Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.
1Pitches
2026Season
100%Top usage
ride
armside
gloveside
+Arsenal gap
+Shape contrast
Zone profile
Aggregate zone heatmap
Aggregate zone metrics from seasonal Statcast leaderboards.
Pitch arsenal
Usage mix, movement map, and Stuff+ composition
2026 pitch-level arsenal aggregates; current season takes over after 100 tracked pitches across at least 2 pitch types. Descriptive pitch-type Stuff+ composition. Not a promoted predictive metric.
| Pitch | Usage | Pitches | Stuff+ | Status |
|---|---|---|---|---|
| SL | 100.0% | 7 | 81 | limited sample |
Method note
Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.
Live layer
Delta / regression
| xwOBA Δ | -0.010 |
| wOBA Δ | +0.064 |
negative regression
Mithrandir coverage
Module shelf
| Module | Cards | Latest | Signal |
|---|---|---|---|
| No Mithrandir card history is available for this player yet. | |||
Projection links / recent games
Available detail
| Hitter Projections 20260.313 xwOBA | 6 HR | Projection |
| 2026-04-17 @ PIT0 HR | 0 RBI / 5 Ch | 0 E | 0-3 | BB, K |
| 2026-04-15 @ CWS0 HR | 0 RBI / 0 Ch | 0 E | 0-1 |
| 2026-04-14 @ CWS0 HR | 3 RBI / 3 Ch | 0 E | 2-3 | 2 2B, BB, K |
| 2026-04-12 vs NYY0 HR | 0 RBI / 1 Ch | 0 E | 1-1 |
| 2026-04-11 vs NYY0 HR | 0 RBI / 1 Ch | 0 E | 0-4 | K |