Mithrandir Metrics
Player Boston Red Sox Refreshed Jul 18 06:00 AM ET
Player profile / Boston Red Sox

Andruw Monasterio

SS · Bats/Throws R/R · 5' 11", 195 lb · Age 29

Cards
1
Modules
1
Live Δ
yes
Club Boston Red Sox Position SS Roster Active Status Healthy / active roster
Traditional line

Season by season

PARHHRSBAVGOBPSLGOPS
2024142142616.208.303.272.575
2025135193442.270.319.437.756
2026169183652.229.280.414.694
4 Seasons761891691317.245.312.365.677
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.

2026-07-18
48
Offense
percentile
Offense9 metrics
43
Defense3 metrics
11
Speed2 metrics
32
Plate skills10 metrics
48
Rolling projection

Preseason / current pace / Bayesian update

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

2026-07-18
xwOBA preseason0.308
xwOBA current pace0.298
xwOBA rolling p500.303
Observed weight45%
xwOBA
0.269 0.286 0.303 0.321 0.338
wOBA
0.279 0.300 0.323 0.347 0.368
ISO
0.110 0.128 0.147 0.166 0.184
K%
18.5% 20.1% 22.0% 23.9% 25.6%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-07-18
Hitting · percentile strip
Barrel%6.6%
73 +38 vs proj
Exit velocity86.7
30
Hard-hit%37.4%
44
xBA0.316
44
xSLG0.518
53
xwOBA0.298
41
BB%6.0%
21 -22 vs proj
Bat speed67.5
24
K%21.9%
53
Defense · percentile strip
Arm Strength80.6 · SS
9
Outs Above Avg-2.0 · SS
18
Range Runs-5.6 · SS
6
Baserunning · percentile strip
Base Running Runs-0.6 · SS
27
Sprint Speed26.9 · SS
37
SB Success Rate33.3% · SS
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.

2026-07-18
Avoids Bad ChasesST 68.1% · rebadged research
63
Avoids Bad TakesHPT 29.1% · rebadged research
17
Correct Decisions67.8% · rebadged research
67
Resists Breaking - horizontalwOBA 0.268 · borderline
87
Resists Breaking - verticalwOBA 0.302 · insufficient sample
8
Resists ChangeupwOBA 0.282 · validated thin sample
43
Resists Cutters + splitterswOBA 0.331 · insufficient sample
49
Resists FastballwOBA 0.351 · validated
28
Resists SinkerwOBA 0.351 · validated
72
SEAGER+ Plate Discipline99
42
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 Monasterio, Andruw · Live snapshot series; true 50/100 PA windows require PA-level logs LG AVG 0.308 0.298 2026-07-07: 0.2772026-07-08: 0.2772026-07-09: 0.2892026-07-10: 0.2902026-07-11: 0.2862026-07-12: 0.2862026-07-13: 0.2922026-07-14: 0.2982026-07-15: 0.2982026-07-16: 0.2982026-07-17: 0.2982026-07-18: 0.298 2026-07-07 2026-07-18 xwOBA MITHRANDIR · CHARTS
Hitter optimization

Swing path and decision map

Andruw Monasterio's tools (83) outpace production (83) by 1 points. Primary finding: elite raw contact quality undermined by swing decisions — the bat is dangerous when it connects.

See full optimization →

See the swing in 3D →

Contact-Discipline Mismatch
Hold Hold Hold Hold Attack Hold Hold Hold Hold

Shorten swing against breaking balls while maintaining bat speed on fastballs

Protected takes / Chase risk
Spray profile

Field-coordinate spray profile

98 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 Monasterio, Andruw · Statcast batted-ball landing coordinates Left field third: 14% of plotted batted ballsPull 14%Center field third: 72% of plotted batted ballsCenter 72%Right field third: 13% of plotted batted ballsOppo 13% LF 310 CF 390 RF 302 2026-03-17 · field out · CH · fly_ball · EV 97.0 / LA 48.02026-03-19 · single · SL · ground_ball2026-03-20 · grounded into double play · SL · ground_ball · EV 61.6 / LA -44.02026-03-21 · single · CH · ground_ball · EV 67.8 / LA -42.02026-03-21 · field out · SL · ground_ball · EV 70.3 / LA -8.02026-03-22 · field out · CH · popup · EV 71.6 / LA 71.02026-03-22 · single · SI · fly_ball · EV 73.6 / LA 22.02026-03-22 · field out · SI · ground_ball · EV 84.7 / LA -24.02026-03-22 · field out · ST · fly_ball · EV 95.2 / LA 34.02026-03-23 · field out · ST · popup · EV 71.8 / LA 83.02026-03-24 · field out · FF · fly_ball · EV 90.0 / LA 31.02026-03-24 · field out · SL · line_drive · EV 76.9 / LA 15.02026-03-29 · double · FF · line_drive · EV 107.5 / LA 18.02026-03-29 · field out · CU · fly_ball · EV 94.3 / LA 30.02026-03-31 · field out · SI · popup · EV 73.5 / LA 60.02026-03-31 · field out · FF · ground_ball · EV 96.5 / LA -4.02026-04-04 · force out · SL · ground_ball · EV 90.7 / LA -12.02026-04-06 · field out · SI · fly_ball · EV 96.9 / LA 54.02026-04-08 · field out · SI · line_drive · EV 95.1 / LA 20.02026-04-08 · field out · SI · fly_ball · EV 85.4 / LA 48.02026-04-13 · single · FS · line_drive · EV 97.9 / LA 17.02026-04-15 · single · SL · fly_ball · EV 70.7 / LA 29.02026-04-15 · field out · FF · line_drive · EV 99.0 / LA 22.02026-04-15 · double · SL · line_drive · EV 98.9 / LA 14.02026-04-15 · field out · SL · ground_ball · EV 100.0 / LA -8.02026-04-15 · single · FF · ground_ball · EV 98.5 / LA -4.02026-04-18 · field out · SL · ground_ball · EV 97.1 / LA -7.02026-04-18 · field out · FC · line_drive · EV 100.4 / LA 16.02026-04-18 · single · SI · line_drive · EV 89.2 / LA 16.02026-04-19 · grounded into double play · SL · ground_ball · EV 88.5 / LA 4.02026-04-19 · field out · SI · ground_ball · EV 102.2 / LA -3.02026-04-21 · field out · FF · fly_ball · EV 84.7 / LA 61.02026-04-22 · field out · FF · fly_ball · EV 86.9 / LA 22.02026-04-22 · field out · SL · ground_ball · EV 93.9 / LA -11.02026-04-22 · field out · CU · fly_ball · EV 84.1 / LA 29.02026-04-25 · field out · EP · fly_ball · EV 75.9 / LA 40.02026-04-25 · home run · CH · fly_ball · EV 103.6 / LA 28.02026-04-25 · force out · FC · ground_ball · EV 26.9 / LA -8.02026-04-25 · double · SI · fly_ball · EV 101.3 / LA 23.02026-04-25 · double · FF · line_drive · EV 103.1 / LA 20.02026-04-25 · field out · FC · ground_ball · EV 66.4 / LA -19.02026-04-26 · field out · SL · popup · EV 62.0 / LA 48.02026-04-26 · single · SI · ground_ball · EV 96.8 / LA 8.02026-04-26 · fielders choice out · SI · ground_ball · EV 88.7 / LA -3.02026-04-26 · field out · SL · popup · EV 93.6 / LA 67.02026-04-29 · field out · CH · line_drive · EV 96.7 / LA 9.02026-04-29 · field out · FF · ground_ball · EV 84.9 / LA 9.02026-04-29 · field out · SL · fly_ball · EV 76.2 / LA 48.02026-05-03 · field out · FF · ground_ball · EV 26.2 / LA -32.02026-05-04 · single · FF · ground_ball · EV 85.5 / LA 7.02026-05-04 · field error · SI · ground_ball · EV 84.7 / LA 6.02026-05-04 · field out · FC · popup · EV 63.7 / LA 47.02026-05-05 · single · CH · ground_ball · EV 99.3 / LA 7.02026-05-05 · field out · SI · line_drive · EV 86.6 / LA 24.02026-05-05 · force out · SI · ground_ball · EV 100.7 / LA -8.02026-05-10 · double · SI · fly_ball · EV 97.5 / LA 25.02026-05-10 · single · FC · fly_ball · EV 73.1 / LA 29.02026-05-10 · field out · SI · line_drive · EV 100.1 / LA 8.02026-05-14 · field out · ST · fly_ball · EV 93.6 / LA 45.02026-05-14 · double · FF · line_drive · EV 102.4 / LA 19.02026-05-14 · double · SI · line_drive · EV 101.3 / LA 12.02026-05-15 · field out · SL · ground_ball · EV 48.0 / LA -44.02026-05-15 · double · CU · line_drive · EV 102.7 / LA 21.02026-05-15 · field out · SL · fly_ball · EV 91.2 / LA 50.02026-05-16 · field out · SI · ground_ball · EV 98.8 / LA 7.02026-05-16 · field out · FC · fly_ball · EV 90.2 / LA 64.02026-05-16 · field out · SL · ground_ball · EV 100.8 / LA -3.02026-05-16 · field out · CH · ground_ball · EV 88.0 / LA -12.02026-05-17 · field out · FF · popup · EV 86.6 / LA 62.02026-05-17 · field out · SL · ground_ball · EV 76.6 / LA -3.02026-05-17 · single · FF · ground_ball · EV 90.2 / LA 3.02026-05-17 · field out · SL · popup · EV 58.5 / LA 64.02026-05-18 · single · SL · fly_ball · EV 71.6 / LA 28.02026-05-18 · single · FC · fly_ball · EV 72.1 / LA 27.02026-05-19 · field out · FF · popup · EV 66.6 / LA 74.02026-05-19 · grounded into double play · FF · ground_ball · EV 69.2 / LA -5.02026-05-22 · single · CU · ground_ball · EV 88.0 / LA -21.02026-05-23 · field out · FF · popup · EV 52.8 / LA 33.02026-05-26 · field out · CH · fly_ball · EV 83.3 / LA 51.02026-06-04 · double · FF · line_drive · EV 100.3 / LA 23.02026-06-04 · field out · ST · popup · EV 91.5 / LA 61.02026-06-05 · field out · SL · popup · EV 94.7 / LA 67.02026-06-05 · home run · FF · fly_ball · EV 104.9 / LA 32.02026-06-05 · field out · CH · ground_ball · EV 91.2 / LA -6.02026-06-07 · single · SL · ground_ball · EV 42.8 / LA -30.02026-06-18 · field out · CU · fly_ball · EV 79.0 / LA 59.02026-06-18 · field out · SL · popup · EV 81.6 / LA 61.02026-06-20 · field out · FF · line_drive · EV 89.5 / LA 18.02026-06-22 · field out · CH · fly_ball · EV 99.2 / LA 42.02026-06-22 · field out · SL · fly_ball · EV 94.1 / LA 48.02026-06-24 · field out · CU · fly_ball · EV 92.9 / LA 40.02026-06-24 · field out · CH · fly_ball · EV 98.1 / LA 29.02026-06-24 · home run · KC · fly_ball · EV 99.8 / LA 26.02026-06-30 · field out · FF · line_drive · EV 106.0 / LA 8.02026-06-30 · field out · SI · ground_ball · EV 82.4 / LA -42.02026-07-01 · field out · FF · ground_ball · EV 94.3 / LA 0.02026-07-01 · double · SL · fly_ball · EV 57.6 / LA 41.02026-07-01 · field out · SI · ground_ball · EV 82.2 / LA -46.0 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 Monasterio, Andruw · Aggregate zone metrics; not pitch-by-pitch locations Zone: 52%52%Chase: 28%28%Whiff: 16%16%Zone contact: 89%89%Contact: 84%84%Hard hit: 37%37% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Reference layer

Current snapshot

Age29
Height5' 11"
Weight195 lb
Debut2023-05-28
Live layer

Delta / regression

xwOBA Δ-0.004
wOBA Δ+0.021

negative regression

Regression watch

Running hot. Expect some cooling.

-0.8σ gap
wOBA (actual)0.323
xwOBA (deserved)0.298

Monasterio’s wOBA sits at 0.323, but the quality of contact underneath says it should be 0.298 — a gap of 0.025, -0.8 standard deviations from the MLB norm over 183 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
Hitting12026-07-07Impact contact carried uneven swing decisions
Projection links / recent games

Available detail

Hitter Projections 20260.302 xwOBA | 6 HRProjection
2026-04-15 @ MIN0 HR | 1 RBI / 5 Ch | 0 E3-5 | 2B, RBI, R
2026-04-14 @ MIN0 HR | 0 RBI / 3 Ch | 0 E0-2 | 2 K
2026-04-13 @ MIN0 HR | 1 RBI / 3 Ch | 0 E1-2 | K, RBI
2026-04-08 vs MIL0 HR | 0 RBI / 1 Ch | 0 E0-2 | 3 BB, R
2026-04-06 vs MIL0 HR | 0 RBI / 0 Ch | 0 E0-1