Mithrandir Metrics
Player Boston Red Sox Refreshed Sep 29 06:00 AM ET
Player profile / Boston Red Sox

Jahmai Jones

DH · Bats/Throws R/R · 5' 10", 210 lb · Age 29

Cards
1
Modules
1
Live Δ
yes
Club Boston Red Sox Position DH Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

PARHHRSBAVGOBPSLGOPS
20244781011.238.304.381.685
2025150213772.287.387.550.937
2026181203363.206.298.369.667
6 Seasons4685895148.229.315.398.713
At a glance

Season percentile report

The headline weighs outcome stats (xwOBA, barrels); each bar averages its full strip group below. 100 = best in MLB.

2026-09-29
78
Offense
percentile
Offense9 metrics
68
Defense1 metrics
18
Speed1 metrics
80
Plate skills10 metrics
62
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-09-29
xwOBA preseason0.317
xwOBA current pace0.328
xwOBA rolling p500.322
Observed weight47%
xwOBA
0.284 0.302 0.322 0.342 0.361
wOBA
0.293 0.314 0.337 0.360 0.380
ISO
0.131 0.153 0.179 0.204 0.227
K%
23.4% 25.2% 27.1% 29.1% 30.9%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-29
Hitting · percentile strip
Barrel%5.7%
64
Exit velocity90.1
80
Hard-hit%41.7%
66
xBA0.360
88
xSLG0.674
93
xwOBA0.328
77
BB%9.3%
60
Bat speed71.2
74
K%32.1%
8 -35 vs proj
Defense · percentile strip
Arm Runs-0.0 · LF
Small sample
Outs Above Avg-1.1 · LF
18 Regression applied
Range Runs-2.3 · LF
Small sample
Baserunning · percentile strip
Sprint Speed28.5 · DH
80
SB Success Rate75.0% · DH
Small sample
Mithrandir+

Plate skills: swing decisions and pitch-type resistance

Our research metrics for how this hitter controls the strike zone and handles each pitch family.

2026-09-29
Avoids Bad ChasesST 66.9% · rebadged research
59
Avoids Bad TakesHPT 19.4% · rebadged research
91
Correct Decisions69.7% · rebadged research
84
Resists Breaking - horizontalwOBA 0.248 · borderline
99
Resists Breaking - verticalwOBA 0.283 · insufficient sample
39
Resists ChangeupwOBA 0.270 · validated thin sample
79
Resists Cutters + splitterswOBA 0.332 · insufficient sample
34
Resists FastballwOBA 0.341 · validated
43
Resists SinkerwOBA 0.388 · validated
6
SEAGER+ Plate Discipline108
85
Rolling form chart

xwOBA snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

12 snapshots
Mithrandir Metrics ROLLING XWOBA LINE Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Rolling xwOBA Jones, Jahmai · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.301 0.328 2026-09-18: 0.3252026-09-19: 0.3322026-09-20: 0.3322026-09-21: 0.3302026-09-22: 0.3302026-09-23: 0.3262026-09-24: 0.3252026-09-25: 0.3252026-09-26: 0.3312026-09-27: 0.3312026-09-28: 0.3282026-09-29: 0.328 2026-09-18 2026-09-29 xwOBA MITHRANDIR · CHARTS
Spray profile

Field-coordinate spray profile

80 Statcast batted-ball coordinates from the pitch-event feed (2026). Direction profile remains as the v1 context layer when coordinate density is limited.

Mithrandir Metrics SPRAY CHART Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Spray Chart Jones, Jahmai · Statcast batted-ball landing coordinates Left field third: 22% of plotted batted ballsPull 22%Center field third: 70% of plotted batted ballsCenter 70%Right field third: 8% of plotted batted ballsOppo 8% LF 345 CF 420 RF 330 2026-03-16 · double · SL · fly_ball · EV 93.6 / LA 27.02026-03-16 · single · FF · line_drive · EV 82.1 / LA 15.02026-03-16 · field out · SL · fly_ball · EV 93.0 / LA 45.02026-03-17 · single · CU · ground_ball · EV 26.0 / LA -71.02026-03-20 · field out · CH · fly_ball · EV 86.3 / LA 44.02026-03-24 · grounded into double play · SI · ground_ball · EV 105.2 / LA -19.02026-03-24 · double · CH · line_drive · EV 91.6 / LA 20.02026-03-27 · fielders choice · SL · ground_ball · EV 98.7 / LA -19.02026-03-28 · field out · SI · line_drive · EV 89.7 / LA 18.02026-04-05 · force out · CH · ground_ball · EV 91.8 / LA 1.02026-04-06 · field out · FF · popup · EV 57.9 / LA 47.02026-04-07 · field out · SI · fly_ball · EV 95.8 / LA 31.02026-04-08 · field out · FC · fly_ball · EV 82.5 / LA 52.02026-04-16 · grounded into double play · CH · ground_ball · EV 104.1 / LA -1.02026-04-16 · single · FF · line_drive · EV 83.5 / LA 16.02026-04-17 · single · FF · line_drive · EV 108.4 / LA 18.02026-04-17 · field out · FC · ground_ball · EV 93.2 / LA -2.02026-04-17 · double · FF · line_drive · EV 109.6 / LA 11.02026-04-19 · field out · SI · line_drive · EV 104.5 / LA 15.02026-04-19 · field out · SI · ground_ball · EV 81.7 / LA -3.02026-04-19 · home run · SI · fly_ball · EV 109.0 / LA 24.02026-04-20 · single · CH · line_drive · EV 72.8 / LA 16.02026-04-21 · field out · FF · popup · EV 93.5 / LA 74.02026-04-21 · field out · FF · fly_ball · EV 101.7 / LA 36.02026-04-22 · grounded into double play · SI · ground_ball · EV 81.6 / LA -28.02026-04-23 · home run · SI · fly_ball · EV 111.7 / LA 24.02026-04-24 · field out · FF · fly_ball · EV 103.5 / LA 33.02026-04-24 · single · FF · line_drive · EV 97.2 / LA 11.02026-04-28 · field out · FC · ground_ball · EV 95.2 / LA -19.02026-04-29 · field out · SL · fly_ball · EV 97.0 / LA 34.02026-05-01 · force out · FF · ground_ball · EV 75.6 / LA -9.02026-05-01 · double · CU · ground_ball · EV 102.2 / LA 2.02026-05-04 · field out · FF · fly_ball · EV 92.7 / LA 43.02026-05-05 · single · CH · line_drive · EV 92.9 / LA 16.02026-05-06 · field out · SI · ground_ball · EV 80.2 / LA 0.02026-05-08 · field out · CH · fly_ball · EV 100.9 / LA 47.02026-05-08 · field out · CH · ground_ball · EV 85.9 / LA -23.02026-05-10 · field error · FF · ground_ball · EV 107.6 / LA 4.02026-05-15 · single · CU · line_drive · EV 104.6 / LA 11.02026-05-17 · force out · CH · ground_ball · EV 67.2 / LA -22.02026-05-19 · double play · SI · line_drive · EV 78.7 / LA 12.02026-05-21 · force out · CH · ground_ball · EV 103.1 / LA 0.02026-05-21 · field out · CH · ground_ball · EV 74.9 / LA -37.02026-05-24 · field out · FF · fly_ball · EV 88.9 / LA 40.02026-05-24 · field out · FF · fly_ball · EV 96.9 / LA 39.02026-05-24 · field out · FF · line_drive · EV 69.7 / LA 14.02026-05-26 · single · FF · line_drive · EV 86.0 / LA 16.02026-05-26 · field out · FF · fly_ball · EV 98.2 / LA 37.02026-05-27 · field out · FF · fly_ball · EV 101.4 / LA 51.02026-05-31 · field out · FF · fly_ball · EV 89.2 / LA 26.02026-06-07 · field out · SI · fly_ball · EV 75.5 / LA 36.02026-06-15 · field out · ST · line_drive · EV 103.1 / LA 20.02026-08-08 · double · FF · line_drive · EV 106.3 / LA 17.02026-08-08 · field out · FF · popup · EV 83.8 / LA 75.02026-08-08 · double · FF · line_drive · EV 105.7 / LA 10.02026-08-08 · single · FF · line_drive · EV 86.4 / LA 18.02026-08-15 · single · FF · line_drive · EV 106.2 / LA 11.02026-08-15 · field out · FF · popup · EV 79.6 / LA 72.02026-08-23 · single · FF · line_drive · EV 107.6 / LA 11.02026-08-23 · triple · FC · fly_ball · EV 103.7 / LA 29.02026-08-26 · field out · FF · ground_ball · EV 86.7 / LA -31.02026-08-29 · field out · FC · line_drive · EV 93.8 / LA 22.02026-08-29 · single · CH · line_drive · EV 95.9 / LA 18.02026-08-29 · field out · FF · ground_ball · EV 77.1 / LA 4.02026-09-01 · home run · SI · fly_ball · EV 111.9 / LA 33.02026-09-03 · single · SI · line_drive · EV 106.0 / LA 9.02026-09-08 · field out · SL · fly_ball · EV 92.2 / LA 65.02026-09-11 · field out · CH · fly_ball · EV 102.3 / LA 37.02026-09-13 · field out · FF · fly_ball · EV 98.5 / LA 54.02026-09-17 · field out · FF · fly_ball · EV 92.6 / LA 63.02026-09-17 · field out · CH · ground_ball · EV 91.1 / LA -20.02026-09-18 · home run · CH · line_drive · EV 110.9 / LA 25.02026-09-18 · field out · ST · popup · EV 79.1 / LA 85.02026-09-22 · field out · SL · line_drive · EV 80.0 / LA 12.02026-09-22 · field out · FF · popup · EV 64.9 / LA 81.02026-09-23 · single · FC · line_drive · EV 64.6 / LA 22.02026-09-23 · single · FC · fly_ball · EV 61.2 / LA 28.02026-09-25 · field out · CH · fly_ball · EV 104.6 / LA 33.02026-09-27 · field out · ST · popup · EV 89.0 / LA 64.02026-09-27 · grounded into double play · CH · ground_ball · EV 93.2 / LA -9.0 1B2B3BHROut Zone shading = batted-ball density by field third · hover dots for date, pitch, EV, and LA. MITHRANDIR · CHARTS
Zone profile

Aggregate zone heatmap

Aggregate zone metrics from seasonal Statcast leaderboards.

Mithrandir Metrics ZONE HEATMAP Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Swing Zone Profile Jones, Jahmai · Aggregate zone metrics; not pitch-by-pitch locations Zone: 46%46%Chase: 30%30%Whiff: 32%32%Zone contact: 79%79%Contact: 68%68%Hard hit: 42%42% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age29
Height5' 10"
Weight210 lb
Debut2020-08-31
Live layer

Delta / regression

xwOBA Δ+0.009
wOBA Δ+0.018

negative regression

Regression watch

Running hot. Expect some cooling.

-0.3σ gap
wOBA (actual)0.337
xwOBA (deserved)0.328

Jones’s wOBA sits at 0.337, but the quality of contact underneath says it should be 0.328 — a gap of 0.008, -0.3 standard deviations from the MLB norm over 193 PA. The results have outrun the underlying process; as the sample grows, expect the numbers to drift back toward the deserved level.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting12026-04-19Impact contact was the main driver
Projection links / recent games

Available detail

Hitter Projections 20260.319 xwOBA | 11 HRProjection
2026-08-15 @ PIT0 HR | 1 RBI / 0 Ch | 0 E1-2 | RBI
2026-04-20 @ BOS0 HR | 1 RBI / 0 Ch | 0 E1-1 | RBI
2026-04-17 @ BOS0 HR | 0 RBI / 0 Ch | 0 E2-4 | 2B, K
2026-04-08 @ MIN0 HR | 0 RBI / 0 Ch | 0 E0-2 | K
2026-04-07 @ MIN0 HR | 0 RBI / 0 Ch | 0 E0-2 | K