AZ at BOS / Fenway Park

Merrill Kelly

4.0 IP, 7 H, 6 ER, 4 BB, 2 K

MLB gamefeed line / Ranked from live gamefeed stats / Pitch chart from MLB gamefeed

Game Score+

GSv2 26 / GS+ 0 adj

LOSS

Poor / Bottom band

Pitcher page

Start log / 2026-08-18

Merrill Kelly

AZ @ BOS / 4.0 IP, 7 H, 6 ER, 4 BB, 2 K

Game Score+

xGS+ 50

Poor / Bottom band

Pitch location / catcher view

Pitch type

Dot size

Result

Count sequence / 86 shown

Pitch-by-pitch sequence

First 18 pitches matching active type, result, and count filters

18 of 86

#1 / Inn 1 / 0-0

4-Seam

91.4

Ball-0.91 / 3.98

#2 / Inn 1 / 1-0

Sinker

91.3

In Play-0.75 / 1.92

#3 / Inn 1 / 0-0

4-Seam

92.2

In Play-0.32 / 2.78

#4 / Inn 1 / 0-0

Curveball

84.0

Ball1.16 / 0.87

#5 / Inn 1 / 1-0

Changeup

88.1

Ball-1.51 / 2.28

#6 / Inn 1 / 2-0

Changeup

89.0

Ball0.08 / 1.18

#7 / Inn 1 / 3-0

4-Seam

93.3

Called Strike0.50 / 2.07

#8 / Inn 1 / 3-1

4-Seam

93.8

Ball0.90 / 2.06

#9 / Inn 1 / 0-0

4-Seam

94.1

Called Strike-0.54 / 1.82

#10 / Inn 1 / 0-1

4-Seam

94.4

Foul-0.36 / 1.88

#11 / Inn 1 / 0-2

Changeup

90.0

Whiff-0.55 / 1.37

#12 / Inn 1 / 0-0

Changeup

90.1

Ball-0.91 / 2.80

#13 / Inn 1 / 1-0

4-Seam

94.7

Foul0.77 / 3.67

#14 / Inn 1 / 1-1

4-Seam

93.9

Foul0.29 / 3.33

#15 / Inn 1 / 1-2

4-Seam

94.2

Foul-0.63 / 3.50

#16 / Inn 1 / 1-2

Sinker

91.2

Ball-1.37 / 1.16

#17 / Inn 1 / 2-2

Changeup

90.5

In Play0.45 / 1.24

#18 / Inn 1 / 0-0

Slider

87.2

Foul0.48 / 1.99

#	Inn	Count	Pitch	Result	Velo	Location
1	1	0-0	4-Seam	Ball	91.4	-0.91 / 3.98
2	1	1-0	Sinker	In Play	91.3	-0.75 / 1.92
3	1	0-0	4-Seam	In Play	92.2	-0.32 / 2.78
4	1	0-0	Curveball	Ball	84.0	1.16 / 0.87
5	1	1-0	Changeup	Ball	88.1	-1.51 / 2.28
6	1	2-0	Changeup	Ball	89.0	0.08 / 1.18
7	1	3-0	4-Seam	Called Strike	93.3	0.50 / 2.07
8	1	3-1	4-Seam	Ball	93.8	0.90 / 2.06
9	1	0-0	4-Seam	Called Strike	94.1	-0.54 / 1.82
10	1	0-1	4-Seam	Foul	94.4	-0.36 / 1.88
11	1	0-2	Changeup	Whiff	90.0	-0.55 / 1.37
12	1	0-0	Changeup	Ball	90.1	-0.91 / 2.80
13	1	1-0	4-Seam	Foul	94.7	0.77 / 3.67
14	1	1-1	4-Seam	Foul	93.9	0.29 / 3.33
15	1	1-2	4-Seam	Foul	94.2	-0.63 / 3.50
16	1	1-2	Sinker	Ball	91.2	-1.37 / 1.16
17	1	2-2	Changeup	In Play	90.5	0.45 / 1.24
18	1	0-0	Slider	Foul	87.2	0.48 / 1.99

Velocity trend

86-97 MPH

91.1

Inn 1

88.0

Inn 2

91.0

Inn 3

90.2

Inn 4

87.7

Inn 5

Inning timeline

86 pitches

Inn 1

4 strikes2 whiffs5 in play94.7 max

Inn 2

2 strikes2 whiffs4 in play91.9 max

Inn 3

10 strikes5 whiffs4 in play93.5 max

Inn 4

2 strikes1 whiffs3 in play92.0 max

Inn 5

0 strikes0 whiffs1 in play90.0 max

Count leverage

5 innings

Inn 1

5 ahead11 even8 behind5 2-strike

Inn 2

2 ahead6 even7 behind2 2-strike

Inn 3

15 ahead8 even0 behind12 2-strike

Inn 4

1 ahead8 even7 behind3 2-strike

Inn 5

1 ahead2 even5 behind1 2-strike

Game Score+ why

context-v8

Poor

20-39 / Bottom band

Rough start on the displayed 20-80 Game Score+ scale.

Baseline

+45

Neutral starting point for every outing.

Length

+12

4.0 innings pitched.

Misses

+4.4

2 strikeouts.

Runs

-30

6 earned runs allowed.

Traffic

-8.4

7 hits allowed.

Free passes

-6

4 walks allowed.

Whiff context

+0.9

+2.7 pct points above league baseline.

Velocity context

-0.2

-0.1 mph above league baseline.

Park context

+0.6

Fenway Park at 1.05 run factor.

Opponent quality

+1.5

BOS live standings context: 67-58, +91 run differential.

Opponent offense

+0.5

Live offense context: 4.52 R/G, 0.728 OPS.

Scale adjustment

Recalibrates the raw component total onto the slightly lifted 20-80 displayed ranking scale.

Arsenal quality

86 pitches

CSW

21%

Whiff

22%

Zone

43%

Swing

52%

Sinker

Best CSW

27% CSW64% zone17% whiff

Arsenal breakdown

4-Seam

41%

92.3AVG / 94.7 MAX

35 thrown20% whiff

26% CSW43% zone57% swing

Sinker

13%

91.6AVG / 93.2 MAX

11 thrown17% whiff

27% CSW64% zone55% swing

Slider

85.5AVG / 87.2 MAX

8 thrown40% whiff

25% CSW50% zone63% swing

Changeup

27%

88.5AVG / 90.5 MAX

23 thrown17% whiff

13% CSW35% zone52% swing

Curveball

82.9AVG / 84.0 MAX

3 thrown0% whiff

0% CSW33% zone33% swing

Cutter

90.0AVG / 90.6 MAX

6 thrown100% whiff

17% CSW33% zone17% swing

Ranked Starts

Warming up

Ranked Starts

Merrill Kelly

Merrill Kelly