Joey Wiemer

Washington Nationals · NL · Age 27 · Bats R / Throws R · 83 PA

— NeutralHOLDRank 319 of 527 hitters by opportunity score

Opportunity Score

−0.1 last 7 days

HOLDBalancedProduction matches the underlying process.

Most likely driver: genuine bat-speed decline (strength, health, or age) (22% confidence).

RBI

AVG

.286

OBP

.398

SLG

.514

OPS

.912

DefenseSprint 28.9 ft/s89p

Edge breakdown

Expected

What the batted-ball quality deserves

xBA.217

xSLG.349

xwOBA.315

xBABIP.281

Actual

What the scoreboard says

BA.286

SLG.514

wOBA.396

BABIP.447

Difference

Actual − expected · percentile of the gap

AVG vs xBA+.0692

SLG vs xSLG+.1651

wOBA vs xwOBA+.0811

BABIP vs xBABIP+.1661

Swing DNA & matchups

2026 bat tracking with league percentiles · matchups vs every pitch type, minimum 10 PA

Balanced

No single trait dominates — a league-typical swing shape.

The swing

Bat Speed71.5 mph43 pctl

Swing Length7.2 ft40 pctl

Fast-Swing Rate34.8%71 pctl

Squared-Up Rate19.1%17 pctl

Percentiles vs all tracked hitters. Attack angle/direction and tilt are swing-weighted averages across batting sides. Swing type from editable rules — first match wins.

vs pitch types

Pitch	PA	wOBA	xwOBA	lg xwOBA	Whiff%	K%	RV/100
4-Seam Fastball	20	.418	.292	.327	31.6lg 22.0	35.0	0.7
Sinker	16	.537	.268	.351	4.2lg 13.7	6.3	3.2
Changeup	14	.525	.474	.278	33.3lg 31.5	28.6	6.6

xwOBA green/red when 20+ points above/below league vs that pitch. RV/100 = run value per 100 pitches seen (positive favors the hitter). Source: Savant pitch arsenal stats.

Metric	Family	Actual	Expected	Diff	Percentile	Edge
Chase% Chase% vs baseline	Discipline	26.3	35.9	−9.6	100	99
BB% BB% vs baseline	Discipline	14.5	3.3	+11.2	99	99
xSLG SLG vs xSLG	Expected vs Actual	.514	.349	+.165	1	98
xBABIP BABIP vs xBABIP	Expected vs Actual	.447	.281	+.166	1	98
Swing Length Swing length vs baseline	Swing	7.2	7.6	−0.4	99	98
xwOBA wOBA vs xwOBA	Expected vs Actual	.396	.315	+.081	1	97
xBA AVG vs xBA	Expected vs Actual	.286	.217	+.069	2	96
Bat Speed Bat speed vs baseline	Swing	71.5	72.5	−1.0	10	80
K% K% vs baseline	Discipline	34.9	37.7	−2.8	77	54
Barrel% Barrel% vs league	Quality of Contact	9.8	7.6	+2.2	72	44
Whiff% Whiff% vs baseline	Contact	31.9	33.1	−1.2	69	38
Hard-Hit% Hard-Hit% vs league	Quality of Contact	39.0	37.6	+1.4	58	15
EV Trend Recent EV vs season EV	Quality of Contact	88.8	88.8	±0.0	50	0
LA Trend Launch angle vs optimal	Quality of Contact	2.2	2.2	±0.0	50	0

Recent games

Date	Opponent	Result	Line	Statcast
Jul 20	@ KC	L 0-1	1-4, 1 HR, 2 RBI	Max EV 94.8 mph
Jul 18	@ OAK	L 0-3	0-3	Max EV 95.4 mph
Jul 17	vs TEX	W 4-3	1-5, BB	Max EV 88.0 mph
Jul 15	vs MIN	W 4-0	2-5, 1 HR, 3 RBI	Max EV 96.4 mph
Jul 14	@ STL	L 0-6	0-5, BB	Max EV 100.8 mph
Jul 13	vs SEA	W 4-2	1-3, 1 RBI	Max EV 97.7 mph
Jul 11	@ LAD	L 1-2	0-5	Max EV 89.0 mph
Jul 10	@ NYM	L 0-10	1-5, 2 RBI	Max EV 102.5 mph
Jul 8	@ CIN	L 5-7	2-4	Max EV 96.3 mph
Jul 7	vs NYM	L 0-1	2-5, BB	Max EV 95.7 mph

Percentile rankings

xwOBA

Hard-Hit%

Barrel%

Avg Exit Velo

Bat Speed

BB%

Chase%

30-day rolling trends

Rolling wOBA vs xwOBA

wOBAxwOBA

Rolling Hard-Hit%

Rolling Barrel%

Rolling Exit Velocity

Rolling Whiff%

Pitch

wOBA

xwOBA

lg xwOBA

Whiff%

RV/100

4-Seam Fastball

.418

.292

.327

31.6lg 22.0

35.0

0.7

Sinker

.537

.268

.351

4.2lg 13.7

6.3

3.2

Changeup

.525

.474

.278

33.3lg 31.5

28.6

6.6

Metric

Family

Actual

Expected

Diff

Percentile

Edge

Chase%

Chase% vs baseline

Discipline

26.3

35.9

−9.6

100

BB%

BB% vs baseline

Discipline

14.5

3.3

+11.2

xSLG

SLG vs xSLG

Expected vs Actual

.514

.349

+.165

xBABIP

BABIP vs xBABIP

Expected vs Actual

.447

.281

+.166

Swing Length

Swing length vs baseline

Swing

7.2

7.6

−0.4

xwOBA

wOBA vs xwOBA

Expected vs Actual

.396

.315

+.081

xBA

AVG vs xBA

Expected vs Actual

.286

.217

+.069

Bat Speed

Bat speed vs baseline

Swing

71.5

72.5

−1.0

K% vs baseline

Discipline

34.9

37.7

−2.8

Barrel%

Barrel% vs league

Quality of Contact

9.8

7.6

+2.2

Whiff%

Whiff% vs baseline

Contact

31.9

33.1

−1.2

Hard-Hit%

Hard-Hit% vs league

Quality of Contact

39.0

37.6

+1.4

EV Trend

Recent EV vs season EV

Quality of Contact

88.8

±0.0

LA Trend

Launch angle vs optimal

Quality of Contact

2.2

±0.0

Date

Opponent

Result

Line

Jul 20

@ KC

L 0-1

1-4, 1 HR, 2 RBI

Jul 18

@ OAK

L 0-3

0-3

Jul 17

vs TEX

W 4-3

1-5, BB

Jul 15

vs MIN

W 4-0

2-5, 1 HR, 3 RBI

Jul 14

@ STL

L 0-6

0-5, BB

Jul 13

vs SEA

W 4-2

1-3, 1 RBI

Jul 11

@ LAD

L 1-2

0-5

Jul 10

@ NYM

L 0-10

1-5, 2 RBI

Jul 8

@ CIN

L 5-7

2-4

Jul 7

vs NYM

L 0-1

2-5, BB