Alec Marsh

RHP

Team: Kansas City RoyalsThrows: RHeight: 6'2"Weight: 220 lbDOB: May 14, 1998Born: Milwaukee, WI, USAActive

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Games

4.53

ERA

15.3%

K-BB%

94.2 mph

FB Velo

28.0%

CSW%

Stuff+

-8 vs MLB 100

vL 90▼vR 95▼

DLoc+

-8 vs MLB 100

vL 89▼vR 94▼

Stockyard PLoc+

-7 vs MLB 100

2024 Stockyard PLoc+ -> 2025

Pitching+

-10 vs MLB 100

vL 96vR 100

Synergy

Pitch Arsenal

Click a pitch to collapse or expand details

Pitching+ drivers · League average 98.8 → 90

Carry along arm slot

−2.5

Horizontal location

−2.1

Velo gap vs fastball

−1.7

Break across arm slot

−1.6

Release side

−1.5

Release height

−1.4

Everything else

+2.0

4-Seam Fastball

37%|Pitching+99

PLoc+

103-> 2025

Velocity

94.2mph

Spin

2499rpm

CSW%

27.7%

iVB / iHB

14.9" / 9.7"

Stuff+

DLoc+

Pitching+

vs L

89▼

83▼

vs R

87▼

100

Pitching+ drivers · League average 103.4 → 99

Horizontal location

−2.2

Carry along arm slot

−1.4

Break across arm slot

−0.6

Vertical location

+0.4

Release height

−0.4

Velocity

−0.3

Everything else

+0.1

Slider

17.9%|Pitching+99

PLoc+

100-> 2025

Velocity

86.6mph

Spin

2464rpm

CSW%

31.1%

iVB / iHB

0.5" / -3.3"

Stuff+

DLoc+

Pitching+

vs L

95▼

vs R

102

Pitching+ drivers · League average 103.5 → 99

Horizontal location

−4.2

Velo gap vs fastball

−0.9

Arm angle

+0.7

Seam-shifted wake: direction

+0.6

Vertical location

+0.6

Release height

−0.6

Everything else

−0.7

Curveball

16.4%|Pitching+102

PLoc+

110▲-> 2025

Velocity

82.8mph

Spin

2509rpm

CSW%

31%

iVB / iHB

-7.2" / -7.5"

Stuff+

DLoc+

Pitching+

vs L

101

102

vs R

94▼

100

102

Pitching+ drivers · League average 104.0 → 102

Velo gap vs fastball

−1.1

Zone-relative height

+1.0

Carry along arm slot

−0.9

Release height

−0.5

Arm angle

+0.5

Velocity

+0.5

Everything else

−1.5

Sinker

13.8%|Pitching+99

PLoc+

90▼-> 2025

Velocity

93.6mph

Spin

2389rpm

CSW%

25.1%

iVB / iHB

7.2" / 16.7"

Stuff+

DLoc+

Pitching+

vs L

91▼

79▼

vs R

102

83▼

102

Pitching+ drivers · League average 101.9 → 99

Release side

−1.3

Horizontal location

+1.2

Vertical location

−0.9

Zone-relative height

−0.5

Break across arm slot

−0.5

Vertical approach angle

−0.4

Everything else

−0.5

Changeup

10%|Pitching+102

PLoc+

102-> 2025

Velocity

86.3mph

Spin

1748rpm

CSW%

19.4%

iVB / iHB

3.5" / 14.7"

Stuff+

DLoc+

Pitching+

vs L

94▼

91▼

vs R

100

104

Pitching+ drivers · League average 103.6 → 102

Vertical location

−0.7

Extension

−0.6

Horizontal location

+0.5

Vertical break gap vs fastball

+0.5

Horizontal break gap vs fastball

−0.4

Break across arm slot

−0.4

Everything else

−0.5

Sweeper

4.9%|Pitching+99

PLoc+

102-> 2025

Velocity

86.1mph

Spin

2478rpm

CSW%

35.8%

iVB / iHB

-1.8" / -11"

Stuff+

DLoc+

Pitching+

vs L

95▼

90▼

vs R

100

102

105▲

Pitching+ drivers · League average 104.9 → 99

Horizontal location

−4.5

Velocity

+2.6

Break across arm slot

−1.4

Velo gap vs fastball

−1.1

Horizontal approach angle

−0.4

Seam-shifted wake: amount

−0.4

Everything else

−0.7

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

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Last 30 games in 2024

Alec Marsh

Pitch Arsenal

4-Seam Fastball

Slider

Curveball

Sinker

Changeup

Sweeper

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