Tony Gonsolin

RHP

Team: Kansas City RoyalsThrows: RHeight: 6'3"Weight: 205 lbDOB: May 14, 1994Born: Vacaville, CA, USAActive

Compare

Games

16.88

ERA

13.3%

K-BB%

91.9 mph

FB Velo

30.2%

CSW%

Stuff+

-11 vs MLB 100

vL 96vR 81▼

DLoc+

-3 vs MLB 100

vL 98vR 97

Stockyard PLoc+

—

MLB season projection

Projects next-year DLoc+

Pitching+

-25 vs MLB 100

vL 95▼vR 96

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

58.7%|Pitching+93▼

Velocity

91.9mph

Spin

2207rpm

CSW%

21.6%

iVB / iHB

17.1" / 9"

Stuff+

DLoc+

Pitching+

vs L

88▼

108▲

94▼

vs R

82▼

93▼

92▼

Grade drivers

League-average 4-Seam Fastball · 100 → 83.9

Vertical approach angle

−4.2

Break across arm slot

−4.1

Velocity

−2.8

Horizontal geometry

−2.7

Release height

+1.0

Extension

−0.7

Everything else

−2.6

Split-Finger

25.4%|Pitching+—

Velocity

82.8mph

Spin

1685rpm

CSW%

50%

iVB / iHB

2.1" / 15.8"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

Slider

12.7%|Pitching+—

Velocity

86.2mph

Spin

2480rpm

CSW%

37.5%

iVB / iHB

3.2" / -3.8"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

Curveball

3.2%|Pitching+—

Velocity

81mph

Spin

2682rpm

CSW%

iVB / iHB

-14.8" / -4.6"

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

Tony Gonsolin

RHP

Team: Kansas City RoyalsThrows: RHeight: 6'3"Weight: 205 lbDOB: May 14, 1994Born: Vacaville, CA, USAActive

Compare

Games

16.88

ERA

13.3%

K-BB%

91.9 mph

FB Velo

30.2%

CSW%

Stuff+

-11 vs MLB 100

vL 96vR 81▼

DLoc+

-3 vs MLB 100

vL 98vR 97

Stockyard PLoc+

—

MLB season projection

Projects next-year DLoc+

Pitching+

-25 vs MLB 100

vL 95▼vR 96

Synergy

—

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

58.7%|Pitching+93▼

Velocity

91.9mph

Spin

2207rpm

CSW%

21.6%

iVB / iHB

17.1" / 9"

Stuff+

DLoc+

Pitching+

vs L

88▼

108▲

94▼

vs R

82▼

93▼

92▼

Grade drivers

League-average 4-Seam Fastball · 100 → 83.9

Vertical approach angle

−4.2

Break across arm slot

−4.1

Velocity

−2.8

Horizontal geometry

−2.7

Release height

+1.0

Extension

−0.7

Everything else

−2.6

Split-Finger

25.4%|Pitching+—

Velocity

82.8mph

Spin

1685rpm

CSW%

50%

iVB / iHB

2.1" / 15.8"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

Slider

12.7%|Pitching+—

Velocity

86.2mph

Spin

2480rpm

CSW%

37.5%

iVB / iHB

3.2" / -3.8"

Stuff+

DLoc+

Pitching+

vs L

—

vs R

—

Curveball

3.2%|Pitching+—

Velocity

81mph

Spin

2682rpm

CSW%

iVB / iHB

-14.8" / -4.6"

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

Tony Gonsolin

Pitch Arsenal

4-Seam Fastball

Split-Finger

Slider

Curveball

Similar Pitchers

Game Log

Tony Gonsolin

Pitch Arsenal

4-Seam Fastball

Split-Finger

Slider

Curveball

Similar Pitchers

Game Log