Search Pitcher

Montgomery, Mason

LHP

Team: Pittsburgh PiratesThrows: LHeight: 6'2"Weight: 205 lbDOB: Jun 17, 2000Born: Austin, TX, USAActive

Games

2.59

ERA

27.3%

K-BB%

98.7 mph

FB Velo

31.2%

CSW%

Stuff+

114

+14 vs lg 100

vL 118▲vR 109▲

DLoc+

106

+6 vs lg 100

vL 106▲vR 105▲

Stockyard PLoc+

-23 vs lg 100

2026 Stockyard PLoc+ -> 2027

Pitching+

119

+19 vs lg 100

vL 121▲vR 117▲

Deception

—

2024+ only

Synergy

—

Min. 40 IP

Mix+

—

Min. 40 IP

Match+

—

Min. 40 IP

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

47.3%|P+112▲

Velocity

98.5mph

Spin

2222rpm

CSW%

30.2%

iVB / iHB

17.9" / 4.3"

Stuff+

DLoc+

Pitching+

vs L

119▲

102

113▲

vs R

114▲

102

110▲

Grade drivers

League-average 4-Seam Fastball · 100 → 118.3

Vertical approach angle

+5.8

Carry along arm slot

+5.7

Velocity

+5.0

Seam-shifted wake: amount

−1.8

Break across arm slot

+1.5

Horizontal geometry

+1.2

Everything else

+0.9

Sinker

22.7%|P+114▲

Velocity

98.7mph

Spin

2210rpm

CSW%

38.2%

iVB / iHB

14.5" / 11.4"

Stuff+

DLoc+

Pitching+

vs L

122▲

102

114▲

vs R

113▲

100

113▲

Grade drivers

League-average Sinker · 100 → 125.8

Carry along arm slot

+11.2

Velocity

+7.5

Vertical approach angle

+6.7

Horizontal geometry

+2.3

Break across arm slot

−2.2

Extension

+1.1

Everything else

−0.8

Curveball

14.1%|P+105▲

Velocity

86.5mph

Spin

2680rpm

CSW%

28.5%

iVB / iHB

-6.3" / -1.9"

Stuff+

DLoc+

Pitching+

vs L

122▲

103

106▲

vs R

110▲

104

Grade drivers

League-average Curveball · 100 → 115.5

Velocity

+9.3

Horizontal geometry

+4.1

Extension

+1.5

Spin rate

+1.4

Release height

−0.7

Arm angle

−0.6

Everything else

+0.5

Slider

14%|P+108▲

Velocity

89.7mph

Spin

2642rpm

CSW%

28.7%

iVB / iHB

1.4" / -1.7"

Stuff+

DLoc+

Pitching+

vs L

113▲

101

109▲

vs R

107▲

100

107▲

Grade drivers

League-average Slider · 100 → 110.6

Velocity

+6.5

Horizontal geometry

+2.4

Velo gap vs fastball

+1.9

Extension

+1.4

Spin rate

+1.3

Arm angle

−1.0

Everything else

−1.9

Changeup

1.8%|P+110▲

Velocity

90.1mph

Spin

1589rpm

CSW%

20%

iVB / iHB

11" / 8.7"

Stuff+

DLoc+

Pitching+

vs L

116▲

105▲

109▲

vs R

102

106▲

109▲

Grade drivers

League-average Changeup · 100 → 110.9

Extension

+7.5

Vertical approach angle

−6.1

Horizontal geometry

+4.1

Velocity

+2.5

Velo gap vs fastball

+1.9

Break across arm slot

−1.3

Everything else

+2.3

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

Game Log

Last 30 games in 2026

Search Pitcher

Montgomery, Mason

LHP

Team: Pittsburgh PiratesThrows: LHeight: 6'2"Weight: 205 lbDOB: Jun 17, 2000Born: Austin, TX, USAActive

Games

2.59

ERA

27.3%

K-BB%

98.7 mph

FB Velo

31.2%

CSW%

Stuff+

114

+14 vs lg 100

vL 118▲vR 109▲

DLoc+

106

+6 vs lg 100

vL 106▲vR 105▲

Stockyard PLoc+

-23 vs lg 100

2026 Stockyard PLoc+ -> 2027

Pitching+

119

+19 vs lg 100

vL 121▲vR 117▲

Deception

—

2024+ only

Synergy

—

Min. 40 IP

Mix+

—

Min. 40 IP

Match+

—

Min. 40 IP

Pitch Arsenal

Click a pitch to collapse or expand details

4-Seam Fastball

47.3%|P+112▲

Velocity

98.5mph

Spin

2222rpm

CSW%

30.2%

iVB / iHB

17.9" / 4.3"

Stuff+

DLoc+

Pitching+

vs L

119▲

102

113▲

vs R

114▲

102

110▲

Grade drivers

League-average 4-Seam Fastball · 100 → 118.3

Vertical approach angle

+5.8

Carry along arm slot

+5.7

Velocity

+5.0

Seam-shifted wake: amount

−1.8

Break across arm slot

+1.5

Horizontal geometry

+1.2

Everything else

+0.9

Sinker

22.7%|P+114▲

Velocity

98.7mph

Spin

2210rpm

CSW%

38.2%

iVB / iHB

14.5" / 11.4"

Stuff+

DLoc+

Pitching+

vs L

122▲

102

114▲

vs R

113▲

100

113▲

Grade drivers

League-average Sinker · 100 → 125.8

Carry along arm slot

+11.2

Velocity

+7.5

Vertical approach angle

+6.7

Horizontal geometry

+2.3

Break across arm slot

−2.2

Extension

+1.1

Everything else

−0.8

Curveball

14.1%|P+105▲

Velocity

86.5mph

Spin

2680rpm

CSW%

28.5%

iVB / iHB

-6.3" / -1.9"

Stuff+

DLoc+

Pitching+

vs L

122▲

103

106▲

vs R

110▲

104

Grade drivers

League-average Curveball · 100 → 115.5

Velocity

+9.3

Horizontal geometry

+4.1

Extension

+1.5

Spin rate

+1.4

Release height

−0.7

Arm angle

−0.6

Everything else

+0.5

Slider

14%|P+108▲

Velocity

89.7mph

Spin

2642rpm

CSW%

28.7%

iVB / iHB

1.4" / -1.7"

Stuff+

DLoc+

Pitching+

vs L

113▲

101

109▲

vs R

107▲

100

107▲

Grade drivers

League-average Slider · 100 → 110.6

Velocity

+6.5

Horizontal geometry

+2.4

Velo gap vs fastball

+1.9

Extension

+1.4

Spin rate

+1.3

Arm angle

−1.0

Everything else

−1.9

Changeup

1.8%|P+110▲

Velocity

90.1mph

Spin

1589rpm

CSW%

20%

iVB / iHB

11" / 8.7"

Stuff+

DLoc+

Pitching+

vs L

116▲

105▲

109▲

vs R

102

106▲

109▲

Grade drivers

League-average Changeup · 100 → 110.9

Extension

+7.5

Vertical approach angle

−6.1

Horizontal geometry

+4.1

Velocity

+2.5

Velo gap vs fastball

+1.9

Break across arm slot

−1.3

Everything else

+2.3

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

Game Log

Last 30 games in 2026