Mithrandir Metrics
Hitter projection 2026 Refreshed Jun 15 06:00 AM ET
Hitter projection / SF · 2026

Koss, Christian

Everyday offensive profile with usable floor

Primary
0.290 xwOBA
Range
0.205 to 0.341
Live Δ
--
Team SF Archetype Ground-ball contact Age 28 Status Out / inactive
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.

2026-06-15
42
Offense
percentile
Defense1 metrics
59
Plate skills9 metrics
41
Rolling projection

Preseason / current pace / Bayesian update

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

2026-06-15
xwOBA preseason0.291
xwOBA current pace0.158
xwOBA rolling p500.274
Observed weight13%
xwOBA
0.214 0.243 0.274 0.306 0.335
wOBA
0.377 0.430 0.490 0.550 0.603
ISO
0.050 0.083 0.119 0.156 0.189
K%
17.0% 19.4% 22.1% 24.8% 27.2%
Current percentile strip

Actual percentile with projection tick

100th = best in MLB.

2026-06-15
Defense · percentile strip
Outs Above Avg0.0 · 2B
59 Regression applied
Range Runs0.0 · 2B
Small sample
Baserunning · percentile strip
Sprint Speed28.2 · 2B
Small sample
Mithrandir+

SEAGER+ and decision components

SEAGER+ is the promoted plate-discipline index; component rows marked rebadged research are visible diagnostic context, not standalone promoted metrics.

2026-06-15
Avoids Bad ChasesST 58.8% · rebadged research
20
Avoids Bad TakesHPT 33.3% · rebadged research
6
Correct Decisions69.2% · rebadged research
79
Mithrandir Stuff+79
4
Resists Breaking - horizontalwOBA 0.279 · borderline
66
Resists Cutters + splitterswOBA 0.331 · insufficient sample
54
Resists FastballwOBA 0.326 · validated
77
Resists SinkerwOBA 0.358 · validated
51
SEAGER+ Plate Discipline87
8
Rolling form chart

xwOBA allowed snapshot line

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

0 snapshots
No chart yet

No Live State xwOBA snapshots are available for this player.

Spray profile

Field-coordinate spray profile

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

All BIP Singles Doubles Triples HR vs LHP vs RHP Home / Away
Mithrandir Metrics SPRAY CHART Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Spray Chart Koss, Christian · Statcast batted-ball landing coordinates Left field third: 9% of plotted batted ballsPull 9%Center field third: 74% of plotted batted ballsCenter 74%Right field third: 17% of plotted batted ballsOppo 17% LF 339 CF 399 RF 309 2026-03-15 · single · CU · ground_ball · EV 97.7 / LA -13.02026-03-18 · field out · CU · fly_ball · EV 81.1 / LA 43.02026-03-18 · single · SL · ground_ball · EV 85.3 / LA -16.02026-03-19 · field out · SI · ground_ball · EV 82.4 / LA -19.02026-03-19 · single · FF · ground_ball · EV 74.2 / LA 7.02026-03-19 · field out · FF · fly_ball · EV 95.8 / LA 17.02026-03-19 · home run · FC · fly_ball · EV 103.8 / LA 31.02026-03-19 · force out · FC · ground_ball · EV 30.1 / LA 46.02026-03-20 · field out · SI · ground_ball · EV 56.8 / LA 2.02026-03-20 · field out · CU · popup · EV 51.9 / LA 82.02026-03-21 · field out · FF · ground_ball · EV 88.0 / LA -15.02026-04-08 · field out · FC · line_drive · EV 100.1 / LA 10.02026-04-08 · field out · FF · popup · EV 82.9 / LA 54.02026-04-08 · field out · SL · ground_ball · EV 96.2 / LA -12.02026-04-11 · double · SI · ground_ball · EV 77.0 / LA -21.02026-04-12 · field out · FF · fly_ball · EV 93.3 / LA 53.02026-04-12 · field out · FF · fly_ball · EV 90.7 / LA 55.02026-04-12 · field out · FF · popup · EV 84.6 / LA 64.02026-04-24 · field out · SI · fly_ball · EV 86.9 / LA 49.02026-04-26 · field out · SI · ground_ball · EV 84.9 / LA -6.02026-04-26 · force out · ST · ground_ball · EV 87.8 / LA -22.02026-04-26 · field out · FF · fly_ball · EV 81.4 / LA 34.02026-05-10 · force out · SI · ground_ball · EV 36.6 / LA -28.0 1B2B3BHROut Zone shading = batted-ball density by field third · hover dots for date, pitch, EV, and LA. MITHRANDIR · CHARTS
Bat tracking

Swing path, attack angle, bat speed

No bat-tracking aggregate is available for this hitter. The full swing, with the recommended path overlaid, lives in the 3D Swing Simulator.

Watch the swing in 3D →

No bat tracking

No Savant bat-tracking aggregate is available for this hitter.

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 Koss, Christian · Aggregate zone metrics; not pitch-by-pitch locations Zone: 53%53%Chase: 48%48%Whiff: 26%26%Zone contact: 82%82%Contact: 74%74%Hard hit: 22%22% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Model read

Projection notes

1
templated note
Home park trims some of the raw HR output despite the underlying power.
Live context

Current-season signal

No Live State delta is available for this player yet.

Projection table

Point projection and range

MetricPointRangeHalf-width
Plate Appearances303----
Home Runs7----
Stolen Bases0----
xwOBA0.2900.205 to 0.341+/- 0.068
ISO0.1190.063 to 0.220+/- 0.079
Barrel%3.5%1.8% to 6.8%+/- 2.5%
Hard-Hit%33.5%21.9% to 44.2%+/- 11.1%
K%21.9%16.3% to 27.8%+/- 5.7%
BB%5.1%3.0% to 8.4%+/- 2.7%
BABIP0.3070.248 to 0.362+/- 0.057
Platoon / Shape
vs LHP

56 career PA

xwOBA0.145
K%11.7%
BB%2.6%
Barrel2.4%
vs RHP

176 career PA

xwOBA0.142
K%10.7%
BB%2.4%
Barrel2.2%