Jack Sinclair

RHP

Team: Washington NationalsThrows: RHeight: 6'4"Weight: 170 lbDOB: May 3, 1999Born: Coral Springs, FL, USAActive

Compare

Games

2.45

ERA

8.7%

K-BB%

96.9 mph

FB Velo

22.8%

CSW%

Stuff+

-2 vs MLB 100

vL 89▼vR 106▲

DLoc+

-8 vs MLB 100

vL 92▼vR 92▼

Stockyard PLoc+

—

MLB season projection

Projects next-year DLoc+

Pitching+

-18 vs MLB 100

vL 90▼vR 99

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

Sweeper

42.5%|Pitching+91▼

Velocity

83.5mph

Spin

2544rpm

CSW%

26.8%

iVB / iHB

4" / -13.5"

Stuff+

DLoc+

Pitching+

vs L

90▼

94▼

89▼

vs R

103

95▼

Grade drivers

League-average Sweeper · 100 → 92.8

Horizontal geometry

−4.9

Carry along arm slot

−1.8

Break across arm slot

−1.7

Vertical approach angle

+1.5

Velo gap vs fastball

+1.2

Release height

+0.9

Everything else

−2.4

4-Seam Fastball

30.5%|Pitching+95▼

Velocity

96.9mph

Spin

2127rpm

CSW%

21.6%

iVB / iHB

9.7" / 15.5"

Stuff+

DLoc+

Pitching+

vs L

91▼

100

93▼

vs R

101

Grade drivers

League-average 4-Seam Fastball · 100 → 93.8

Break across arm slot

−7.0

Carry along arm slot

+6.2

Velocity

+1.9

Seam-shifted wake: amount

−1.8

Horizontal geometry

−1.7

Release height

−1.2

Everything else

−2.6

Sinker

12.6%|Pitching+95▼

Velocity

95.9mph

Spin

2038rpm

CSW%

9.5%

iVB / iHB

4.1" / 19.3"

Stuff+

DLoc+

Pitching+

vs L

86▼

92▼

vs R

109▲

87▼

Grade drivers

League-average Sinker · 100 → 102.1

Carry along arm slot

+9.6

Seam-shifted wake: amount

−3.3

Velocity

+2.8

Release height

−1.4

Seam-shifted wake: direction

−1.1

Vertical approach angle

−0.5

Everything else

−4.0

Slider

10.2%|Pitching+—

Velocity

88.8mph

Spin

2553rpm

CSW%

29.4%

iVB / iHB

6.6" / -2.1"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

Changeup

4.2%|Pitching+—

Velocity

88.3mph

Spin

2100rpm

CSW%

14.3%

iVB / iHB

1.8" / 19.1"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

xRV (Expected Run Value): Expected runs per 100 pitches using xwOBA on batted balls (BABIP-neutral). Negative = good (runs prevented), Positive = bad (runs allowed).

Similar Pitchers

Last 30 games in 2026

Jack Sinclair

RHP

Team: Washington NationalsThrows: RHeight: 6'4"Weight: 170 lbDOB: May 3, 1999Born: Coral Springs, FL, USAActive

Compare

Games

2.45

ERA

8.7%

K-BB%

96.9 mph

FB Velo

22.8%

CSW%

Stuff+

-2 vs MLB 100

vL 89▼vR 106▲

DLoc+

-8 vs MLB 100

vL 92▼vR 92▼

Stockyard PLoc+

—

MLB season projection

Projects next-year DLoc+

Pitching+

-18 vs MLB 100

vL 90▼vR 99

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

Sweeper

42.5%|Pitching+91▼

Velocity

83.5mph

Spin

2544rpm

CSW%

26.8%

iVB / iHB

4" / -13.5"

Stuff+

DLoc+

Pitching+

vs L

90▼

94▼

89▼

vs R

103

95▼

Grade drivers

League-average Sweeper · 100 → 92.8

Horizontal geometry

−4.9

Carry along arm slot

−1.8

Break across arm slot

−1.7

Vertical approach angle

+1.5

Velo gap vs fastball

+1.2

Release height

+0.9

Everything else

−2.4

4-Seam Fastball

30.5%|Pitching+95▼

Velocity

96.9mph

Spin

2127rpm

CSW%

21.6%

iVB / iHB

9.7" / 15.5"

Stuff+

DLoc+

Pitching+

vs L

91▼

100

93▼

vs R

101

Grade drivers

League-average 4-Seam Fastball · 100 → 93.8

Break across arm slot

−7.0

Carry along arm slot

+6.2

Velocity

+1.9

Seam-shifted wake: amount

−1.8

Horizontal geometry

−1.7

Release height

−1.2

Everything else

−2.6

Sinker

12.6%|Pitching+95▼

Velocity

95.9mph

Spin

2038rpm

CSW%

9.5%

iVB / iHB

4.1" / 19.3"

Stuff+

DLoc+

Pitching+

vs L

86▼

92▼

vs R

109▲

87▼

Grade drivers

League-average Sinker · 100 → 102.1

Carry along arm slot

+9.6

Seam-shifted wake: amount

−3.3

Velocity

+2.8

Release height

−1.4

Seam-shifted wake: direction

−1.1

Vertical approach angle

−0.5

Everything else

−4.0

Slider

10.2%|Pitching+—

Velocity

88.8mph

Spin

2553rpm

CSW%

29.4%

iVB / iHB

6.6" / -2.1"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

Changeup

4.2%|Pitching+—

Velocity

88.3mph

Spin

2100rpm

CSW%

14.3%

iVB / iHB

1.8" / 19.1"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

xRV (Expected Run Value): Expected runs per 100 pitches using xwOBA on batted balls (BABIP-neutral). Negative = good (runs prevented), Positive = bad (runs allowed).

Similar Pitchers

Last 30 games in 2026

Jack Sinclair

Pitch Arsenal

Sweeper

4-Seam Fastball

Sinker

Slider

Changeup

Similar Pitchers

Game Log

Jack Sinclair

Pitch Arsenal

Sweeper

4-Seam Fastball

Sinker

Slider

Changeup

Similar Pitchers

Game Log