Mithrandir Metrics
Player Athletics Refreshed Sep 26 06:00 AM ET
Player profile / Athletics

Brian Serven

C · Bats/Throws R/R · 6' 0", 207 lb · Age 31

Cards
4
Modules
2
Live Δ
yes
Club Athletics Position C Roster Current MLB team Status Healthy / active roster
Traditional line

Season by season

3D Swing Sim Projections
PARHHRSBAVGOBPSLGOPS
2023230300.130.130.174.304
20247161000.159.243.222.465
20268281450.179.220.385.605
4 Seasons3813365110.185.241.313.554
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.

2026-09-26
37
Offense
percentile
Offense9 metrics
32
Defense4 metrics
50
Speed1 metrics
16
Plate skills10 metrics
42
Rolling projection

Preseason / current pace / Bayesian update

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

2026-09-26
xwOBA preseason0.221
xwOBA current pace0.274
xwOBA rolling p500.237
Observed weight29%
xwOBA
0.176 0.205 0.237 0.269 0.298
wOBA
0.201 0.228 0.259 0.290 0.318
ISO
0.064 0.091 0.121 0.152 0.179
K%
18.5% 22.7% 27.4% 32.1% 36.4%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-09-26
Hitting · percentile strip
Barrel%5.4%
59 +48 vs proj
Exit velocity86.8
38
Hard-hit%30.6%
19
xBA0.299
27
xSLG0.510
54
xwOBA0.274
22 +21 vs proj
BB%3.3%
4 -29 vs proj
Bat speed67.9
29
K%26.1%
32 +27 vs proj
Defense · percentile strip
Blocking Runs1.5 · C
90
Catcher Throwing-0.3 · C
45
Framing Runs-0.4 · C
43
Pop Time2.0 · C
22
Baserunning · percentile strip
Sprint Speed26.0 · C
16
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.

2026-09-26
Avoids Bad ChasesST 63.6% · rebadged research
40
Avoids Bad TakesHPT 29.2% · rebadged research
17
Correct Decisions65.1% · rebadged research
39
Resists Breaking - horizontalwOBA 0.267 · borderline
89
Resists Breaking - verticalwOBA 0.276 · insufficient sample
65
Resists ChangeupwOBA 0.293 · validated thin sample
22
Resists Cutters + splitterswOBA 0.343 · insufficient sample
15
Resists FastballwOBA 0.355 · validated
22
Resists SinkerwOBA 0.340 · validated
82
SEAGER+ Plate Discipline95
24
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 Serven, Brian · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.302 0.274 2026-09-12: 0.2922026-09-13: 0.2922026-09-14: 0.2932026-09-18: 0.2902026-09-19: 0.2902026-09-20: 0.2902026-09-21: 0.2812026-09-22: 0.2812026-09-23: 0.2812026-09-24: 0.2742026-09-25: 0.2742026-09-26: 0.274 2026-09-12 2026-09-26 xwOBA MITHRANDIR · CHARTS
Spray profile

Field-coordinate spray profile

39 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 Serven, Brian · Statcast batted-ball landing coordinates Left field third: 18% of plotted batted ballsPull 18%Center field third: 74% of plotted batted ballsCenter 74%Right field third: 8% of plotted batted ballsOppo 8% LF 325 CF 403 RF 325 2026-03-17 · field out · SV · ground_ball · EV 72.2 / LA 0.02026-03-19 · field out · CU · ground_ball · EV 56.5 / LA -33.02026-03-21 · field out · FC · ground_ball · EV 102.4 / LA -9.02026-03-23 · field out · FC · popup · EV 71.6 / LA 58.02026-03-23 · grounded into double play · FF · ground_ball · EV 99.0 / LA -3.02026-07-31 · field out · FF · ground_ball · EV 102.2 / LA 6.02026-08-02 · single · CH · ground_ball · EV 85.5 / LA 4.02026-08-08 · field out · CH · fly_ball · EV 93.9 / LA 34.02026-08-08 · single · FF · ground_ball · EV 55.5 / LA -61.02026-08-08 · field out · FC · ground_ball · EV 85.8 / LA 8.02026-08-08 · field out · FF · line_drive · EV 54.8 / LA 24.02026-08-15 · field out · CH · fly_ball · EV 92.0 / LA 44.02026-08-15 · field out · CU · ground_ball · EV 66.3 / LA -40.02026-08-15 · single · CH · fly_ball · EV 71.6 / LA 28.02026-08-17 · field out · CH · fly_ball · EV 85.0 / LA 28.02026-08-17 · field out · FF · ground_ball · EV 94.7 / LA 2.02026-08-17 · field out · SL · ground_ball · EV 90.3 / LA 1.02026-08-17 · home run · CH · fly_ball · EV 98.3 / LA 34.02026-08-23 · single · FF · line_drive · EV 89.9 / LA 14.02026-08-23 · home run · FF · fly_ball · EV 103.5 / LA 30.02026-08-23 · grounded into double play · ST · ground_ball · EV 57.0 / LA -27.02026-08-26 · field out · CH · ground_ball · EV 93.7 / LA -15.02026-08-30 · field out · FF · line_drive · EV 88.3 / LA 25.02026-08-30 · field out · SI · ground_ball · EV 75.9 / LA -15.02026-08-30 · home run · FC · fly_ball · EV 101.7 / LA 28.02026-08-30 · single · SI · line_drive · EV 78.7 / LA 19.02026-09-02 · double · FF · line_drive · EV 103.9 / LA 17.02026-09-02 · field out · CH · ground_ball · EV 74.2 / LA -1.02026-09-02 · field out · SI · ground_ball · EV 108.6 / LA -18.02026-09-02 · field out · SI · fly_ball · EV 94.4 / LA 28.02026-09-03 · field out · CH · ground_ball · EV 83.6 / LA -15.02026-09-03 · single · FF · ground_ball · EV 104.5 / LA -10.02026-09-06 · field out · ST · fly_ball · EV 85.4 / LA 48.02026-09-06 · field out · SI · line_drive · EV 81.9 / LA 12.02026-09-09 · field out · SI · ground_ball · EV 100.9 / LA -14.02026-09-09 · field out · ST · fly_ball · EV 85.2 / LA 33.02026-09-13 · field out · SI · ground_ball · EV 78.7 / LA -19.02026-09-13 · field out · SI · line_drive · EV 66.8 / LA 19.02026-09-23 · field out · ST · fly_ball · EV 94.7 / LA 51.0 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 Serven, Brian · Aggregate zone metrics; not pitch-by-pitch locations Zone: 52%52%Chase: 31%31%Whiff: 29%29%Zone contact: 78%78%Contact: 71%71%Hard hit: 31%31% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age31
Height6' 0"
Weight207 lb
Debut2022-05-18
Live layer

Delta / regression

xwOBA Δ+0.078
wOBA Δ+0.063
Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
Hitting12026-08-06Disciplined swing decisions drove the score
Fielding32026-09-191 chances | 0 difficult plays | Run Exp -0.218
Projection links / recent games

Available detail

Hitter Projections 20260.196 xwOBA | 5 HRProjection
2026-08-15 vs TEX0 HR | 0 RBI / 10 Ch | 0 E1-4 | K, R