Jack Kochanowicz

RHP

Team: Los Angeles AngelsThrows: RHeight: 6'7"Weight: 228 lbDOB: Dec 22, 2000Born: Philadelphia, PA, USAActive

Compare

Games

6.19

ERA

3.7%

K-BB%

96.2 mph

FB Velo

26.1%

CSW%

Stuff+

-1 vs MLB 100

vL 94▼vR 103

DLoc+

-7 vs MLB 100

vL 92▼vR 94▼

Stockyard PLoc+

-14 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-6 vs MLB 100

vL 99vR 102

Synergy

Pitch Arsenal

Click a pitch to collapse or expand details

Sinker

38.1%|Pitching+103

PLoc+

92▼-> 2027

Velocity

95.7mph

Spin

2134rpm

CSW%

25.9%

iVB / iHB

4.5" / 13.1"

Stuff+

DLoc+

Pitching+

vs L

101

vs R

109▲

94▼

104

Grade drivers

League-average Sinker · 100 → 103.2

Carry along arm slot

−7.0

Velocity

+4.9

Break across arm slot

+3.5

Vertical approach angle

+3.2

Horizontal geometry

−3.1

Seam-shifted wake: direction

+2.8

Everything else

−1.1

Changeup

23.1%|Pitching+108▲

PLoc+

102-> 2027

Velocity

89.9mph

Spin

2167rpm

CSW%

26.2%

iVB / iHB

0.9" / 10.3"

Stuff+

DLoc+

Pitching+

vs L

92▼

107▲

vs R

94▼

102

108▲

Grade drivers

League-average Changeup · 100 → 92.6

Vertical break gap vs fastball

−4.6

Vertical approach angle

+3.7

Velo gap vs fastball

−2.3

Carry along arm slot

−1.8

Horizontal geometry

−1.5

Seam-shifted wake: amount

+1.5

Everything else

−2.4

4-Seam Fastball

22.5%|Pitching+96

PLoc+

98-> 2027

Velocity

96.2mph

Spin

2288rpm

CSW%

25.7%

iVB / iHB

13.9" / 6.7"

Stuff+

DLoc+

Pitching+

vs L

92▼

78▼

vs R

90▼

77▼

Grade drivers

League-average 4-Seam Fastball · 100 → 90.2

Vertical approach angle

−4.4

Carry along arm slot

−4.2

Horizontal geometry

−2.2

Velocity

+2.2

Seam-shifted wake: amount

+2.0

Break across arm slot

−1.0

Everything else

−2.2

Slider

16.3%|Pitching+92▼

PLoc+

86▼-> 2027

Velocity

85.6mph

Spin

2824rpm

CSW%

27.8%

iVB / iHB

-4" / -5.8"

Stuff+

DLoc+

Pitching+

vs L

94▼

78▼

89▼

vs R

106▲

83▼

95▼

Grade drivers

League-average Slider · 100 → 99.1

Spin rate

+3.6

Velo gap vs fastball

+2.7

Horizontal geometry

−2.6

Velocity

+1.5

Carry along arm slot

−0.9

Release height

+0.8

Everything else

−6.0

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 Kochanowicz

RHP

Team: Los Angeles AngelsThrows: RHeight: 6'7"Weight: 228 lbDOB: Dec 22, 2000Born: Philadelphia, PA, USAActive

Compare

Games

6.19

ERA

3.7%

K-BB%

96.2 mph

FB Velo

26.1%

CSW%

Stuff+

-1 vs MLB 100

vL 94▼vR 103

DLoc+

-7 vs MLB 100

vL 92▼vR 94▼

Stockyard PLoc+

-14 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-6 vs MLB 100

vL 99vR 102

Synergy

Pitch Arsenal

Click a pitch to collapse or expand details

Sinker

38.1%|Pitching+103

PLoc+

92▼-> 2027

Velocity

95.7mph

Spin

2134rpm

CSW%

25.9%

iVB / iHB

4.5" / 13.1"

Stuff+

DLoc+

Pitching+

vs L

101

vs R

109▲

94▼

104

Grade drivers

League-average Sinker · 100 → 103.2

Carry along arm slot

−7.0

Velocity

+4.9

Break across arm slot

+3.5

Vertical approach angle

+3.2

Horizontal geometry

−3.1

Seam-shifted wake: direction

+2.8

Everything else

−1.1

Changeup

23.1%|Pitching+108▲

PLoc+

102-> 2027

Velocity

89.9mph

Spin

2167rpm

CSW%

26.2%

iVB / iHB

0.9" / 10.3"

Stuff+

DLoc+

Pitching+

vs L

92▼

107▲

vs R

94▼

102

108▲

Grade drivers

League-average Changeup · 100 → 92.6

Vertical break gap vs fastball

−4.6

Vertical approach angle

+3.7

Velo gap vs fastball

−2.3

Carry along arm slot

−1.8

Horizontal geometry

−1.5

Seam-shifted wake: amount

+1.5

Everything else

−2.4

4-Seam Fastball

22.5%|Pitching+96

PLoc+

98-> 2027

Velocity

96.2mph

Spin

2288rpm

CSW%

25.7%

iVB / iHB

13.9" / 6.7"

Stuff+

DLoc+

Pitching+

vs L

92▼

78▼

vs R

90▼

77▼

Grade drivers

League-average 4-Seam Fastball · 100 → 90.2

Vertical approach angle

−4.4

Carry along arm slot

−4.2

Horizontal geometry

−2.2

Velocity

+2.2

Seam-shifted wake: amount

+2.0

Break across arm slot

−1.0

Everything else

−2.2

Slider

16.3%|Pitching+92▼

PLoc+

86▼-> 2027

Velocity

85.6mph

Spin

2824rpm

CSW%

27.8%

iVB / iHB

-4" / -5.8"

Stuff+

DLoc+

Pitching+

vs L

94▼

78▼

89▼

vs R

106▲

83▼

95▼

Grade drivers

League-average Slider · 100 → 99.1

Spin rate

+3.6

Velo gap vs fastball

+2.7

Horizontal geometry

−2.6

Velocity

+1.5

Carry along arm slot

−0.9

Release height

+0.8

Everything else

−6.0

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 Kochanowicz

Pitch Arsenal

Sinker

Changeup

4-Seam Fastball

Slider

Similar Pitchers

Game Log

Jack Kochanowicz

Pitch Arsenal

Sinker

Changeup

4-Seam Fastball

Slider

Similar Pitchers

Game Log