Kumar Rocker

RHP

Team: Texas RangersThrows: RHeight: 6'5"Weight: 245 lbDOB: Nov 22, 1999Born: Watkinsville, GA, USAActive

Compare

Games

4.38

ERA

11.8%

K-BB%

94.5 mph

FB Velo

26.5%

CSW%

Stuff+

-9 vs MLB 100

vL 89▼vR 94▼

DLoc+

-7 vs MLB 100

vL 94▼vR 92▼

Stockyard PLoc+

-4 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-16 vs MLB 100

vL 97vR 99

Synergy

Pitch Arsenal

Click a pitch to collapse or expand details

Slider

37.7%|Pitching+100

PLoc+

76▼-> 2027

Velocity

83.1mph

Spin

2187rpm

CSW%

33.9%

iVB / iHB

-4" / -0.8"

Stuff+

DLoc+

Pitching+

vs L

92▼

93▼

101

vs R

90▼

91▼

100

Grade drivers

League-average Slider · 100 → 88.4

Velocity

−6.2

Velo gap vs fastball

+2.6

Horizontal geometry

−2.4

Carry along arm slot

+1.7

Vertical approach angle

−1.5

Spin rate

−1.2

Everything else

−4.6

Sinker

29.5%|Pitching+100

PLoc+

100-> 2027

Velocity

94.3mph

Spin

2142rpm

CSW%

20.4%

iVB / iHB

7.6" / 16.1"

Stuff+

DLoc+

Pitching+

vs L

92▼

94▼

vs R

103

94▼

102

Grade drivers

League-average Sinker · 100 → 93.8

Horizontal geometry

−4.0

Vertical approach angle

−1.5

Seam-shifted wake: amount

+1.5

Extension

+0.8

Carry along arm slot

+0.8

Seam-shifted wake: direction

+0.6

Everything else

−4.4

4-Seam Fastball

14.6%|Pitching+87▼

PLoc+

96-> 2027

Velocity

94.5mph

Spin

2154rpm

CSW%

23.8%

iVB / iHB

12.2" / 10.5"

Stuff+

DLoc+

Pitching+

vs L

79▼

72▼

90▼

vs R

83▼

70▼

85▼

Grade drivers

League-average 4-Seam Fastball · 100 → 79.6

Break across arm slot

−5.5

Carry along arm slot

−3.5

Vertical approach angle

−2.9

Seam-shifted wake: amount

−2.4

Horizontal geometry

−1.9

Release height

−0.9

Everything else

−3.3

Cutter

13.9%|Pitching+98

PLoc+

99-> 2027

Velocity

90.2mph

Spin

2158rpm

CSW%

25%

iVB / iHB

7.2" / -0.9"

Stuff+

DLoc+

Pitching+

vs L

vs R

101

Grade drivers

League-average Cutter · 100 → 99.5

Break across arm slot

−3.6

Carry along arm slot

+2.4

Vertical approach angle

−2.3

Seam-shifted wake: amount

+1.6

Velocity

+1.3

Seam-shifted wake: direction

+1.1

Everything else

−1.0

Changeup

3.8%|Pitching+98

PLoc+

93▼-> 2027

Velocity

88.7mph

Spin

1651rpm

CSW%

20.8%

iVB / iHB

6" / 14.4"

Stuff+

DLoc+

Pitching+

vs L

83▼

92▼

95▼

vs R

87▼

88▼

100

Grade drivers

League-average Changeup · 100 → 82.7

Vertical break gap vs fastball

−5.1

Velo gap vs fastball

−3.5

Horizontal geometry

−2.8

Break across arm slot

−2.7

Horizontal break gap vs fastball

+1.1

Carry along arm slot

+0.9

Everything else

−5.2

Split-Finger

0.4%|Pitching+94▼

PLoc+

96-> 2027

Velocity

88.5mph

Spin

1570rpm

CSW%

11.1%

iVB / iHB

4.3" / 13.1"

Stuff+

DLoc+

Pitching+

vs L

83▼

43▼

93▼

vs R

88▼

64▼

95▼

Grade drivers

League-average Split-Finger · 100 → 82.7

Vertical break gap vs fastball

−6.1

Velo gap vs fastball

−4.2

Break across arm slot

−2.9

Horizontal geometry

−2.7

Horizontal break gap vs fastball

+1.0

Extension

−0.5

Everything else

−1.9

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

Kumar Rocker

RHP

Team: Texas RangersThrows: RHeight: 6'5"Weight: 245 lbDOB: Nov 22, 1999Born: Watkinsville, GA, USAActive

Compare

Games

4.38

ERA

11.8%

K-BB%

94.5 mph

FB Velo

26.5%

CSW%

Stuff+

-9 vs MLB 100

vL 89▼vR 94▼

DLoc+

-7 vs MLB 100

vL 94▼vR 92▼

Stockyard PLoc+

-4 vs MLB 100

2026 Stockyard PLoc+ -> 2027

Pitching+

-16 vs MLB 100

vL 97vR 99

Synergy

Pitch Arsenal

Click a pitch to collapse or expand details

Slider

37.7%|Pitching+100

PLoc+

76▼-> 2027

Velocity

83.1mph

Spin

2187rpm

CSW%

33.9%

iVB / iHB

-4" / -0.8"

Stuff+

DLoc+

Pitching+

vs L

92▼

93▼

101

vs R

90▼

91▼

100

Grade drivers

League-average Slider · 100 → 88.4

Velocity

−6.2

Velo gap vs fastball

+2.6

Horizontal geometry

−2.4

Carry along arm slot

+1.7

Vertical approach angle

−1.5

Spin rate

−1.2

Everything else

−4.6

Sinker

29.5%|Pitching+100

PLoc+

100-> 2027

Velocity

94.3mph

Spin

2142rpm

CSW%

20.4%

iVB / iHB

7.6" / 16.1"

Stuff+

DLoc+

Pitching+

vs L

92▼

94▼

vs R

103

94▼

102

Grade drivers

League-average Sinker · 100 → 93.8

Horizontal geometry

−4.0

Vertical approach angle

−1.5

Seam-shifted wake: amount

+1.5

Extension

+0.8

Carry along arm slot

+0.8

Seam-shifted wake: direction

+0.6

Everything else

−4.4

4-Seam Fastball

14.6%|Pitching+87▼

PLoc+

96-> 2027

Velocity

94.5mph

Spin

2154rpm

CSW%

23.8%

iVB / iHB

12.2" / 10.5"

Stuff+

DLoc+

Pitching+

vs L

79▼

72▼

90▼

vs R

83▼

70▼

85▼

Grade drivers

League-average 4-Seam Fastball · 100 → 79.6

Break across arm slot

−5.5

Carry along arm slot

−3.5

Vertical approach angle

−2.9

Seam-shifted wake: amount

−2.4

Horizontal geometry

−1.9

Release height

−0.9

Everything else

−3.3

Cutter

13.9%|Pitching+98

PLoc+

99-> 2027

Velocity

90.2mph

Spin

2158rpm

CSW%

25%

iVB / iHB

7.2" / -0.9"

Stuff+

DLoc+

Pitching+

vs L

vs R

101

Grade drivers

League-average Cutter · 100 → 99.5

Break across arm slot

−3.6

Carry along arm slot

+2.4

Vertical approach angle

−2.3

Seam-shifted wake: amount

+1.6

Velocity

+1.3

Seam-shifted wake: direction

+1.1

Everything else

−1.0

Changeup

3.8%|Pitching+98

PLoc+

93▼-> 2027

Velocity

88.7mph

Spin

1651rpm

CSW%

20.8%

iVB / iHB

6" / 14.4"

Stuff+

DLoc+

Pitching+

vs L

83▼

92▼

95▼

vs R

87▼

88▼

100

Grade drivers

League-average Changeup · 100 → 82.7

Vertical break gap vs fastball

−5.1

Velo gap vs fastball

−3.5

Horizontal geometry

−2.8

Break across arm slot

−2.7

Horizontal break gap vs fastball

+1.1

Carry along arm slot

+0.9

Everything else

−5.2

Split-Finger

0.4%|Pitching+94▼

PLoc+

96-> 2027

Velocity

88.5mph

Spin

1570rpm

CSW%

11.1%

iVB / iHB

4.3" / 13.1"

Stuff+

DLoc+

Pitching+

vs L

83▼

43▼

93▼

vs R

88▼

64▼

95▼

Grade drivers

League-average Split-Finger · 100 → 82.7

Vertical break gap vs fastball

−6.1

Velo gap vs fastball

−4.2

Break across arm slot

−2.9

Horizontal geometry

−2.7

Horizontal break gap vs fastball

+1.0

Extension

−0.5

Everything else

−1.9

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

Kumar Rocker

Pitch Arsenal

Slider

Sinker

4-Seam Fastball

Cutter

Changeup

Split-Finger

Similar Pitchers

Game Log

Kumar Rocker

Pitch Arsenal

Slider

Sinker

4-Seam Fastball

Cutter

Changeup

Split-Finger

Similar Pitchers

Game Log