MLB · NL West

Merrill Kelly

Betting stats, pitch arsenal, opponent splits & prop matchups

Arizona DiamondbacksSPBats: R · Throws: R

FormHotStuffBelow avg

The read

Average swing-and-miss, though the run-prevention numbers run shaky.

Strikeout prop

How often Merrill Kelly has cleared each strikeout line over his last 5 and 10 starts and the season.

Strikeouts

share of starts cleared

L5L10Season

Over 4.5▲ hot
60%30%32%
Over 5.5▲ hot
60%30%21%
Over 6.5
0%0%0%
Over 7.5
0%0%0%

Research any pitcher with the prop-research tool.

On the mound

This season

ERA

5.04

WHIP

1.49

FIP

5.59

xERA

7.13

8-8 · 20 GS · 114.3 IP · 76 K · 46 BB · 23 HR

MLB avg · 4.20 ERA · 1.30 WHIP · 4.15 FIP

Last 5 starts

ERA

2.93

K/9

7.5

FIP

4.51

27.7 IP · 9 ER · 23 K · 11 BB

@SD 7IP 1ER 6K
vSTL 5IP 1ER 3K
vATH 5IP 2ER 3K
@PIT 5.2IP 0ER 6K
@CLE 5IP 5ER 5K

Opponent splits

Stat	vs Lefties	vs Righties
Opp BA	.236	.258
K%	13%	18%
HR allowed	14	8
Sample	275 BF	198 BF

Quality of stuff

Percentile rank vs qualified MLB pitchers (20+ IP) this season. The dot is this player; further right is better. Over 114.3 IP.

Metric

Percentile

Value

Rank

ERA

5.04

FIP

5.59

xERA

7.13

WHIP

1.49

K %

14.4%

SwStr %

9.2%

Chase %

34.2%

Barrel %

13.2%

Attack zones

19%

Heart

41%

Shadow

29%

Chase

11%

Waste

Heart = middle · Shadow = edges (command) · 6.1 ft extension

Where he lives around the zone. Heart (red) is the middle, Shadow (gold) the edges (command), Chase (blue) and Waste (slate) further off.

Full Statcast profile

Arsenal · splits · situationalSeason-to-date

Pitch arsenalusage · velo · spin · break · whiff% · xwOBA

4-Seam

26%

Sinker

10%

Cutter

15%

Slider

11%

Curve

11%

Change

27%

Pitch	Usage	Velo	Spin	Break	Zone%	SwStr%	xwOBA
Change	26.6%	88.5	2163	2.9	28.3%	17.2%	.427
4-Seam	25.8%	92.1	2368	1.5	54.0%	5.3%	.524
Cutter	15.1%	91.1	2366	1.7	51.5%	5.3%	.446
Curve	11.3%	82.6	2567	4.0	38.9%	6.1%	.313
Slider	10.8%	86.4	2305	2.7	42.3%	17.5%	.356
Sinker	10.0%	92.3	2236	2.1	49.7%	2.9%	.467

Based on 1,750 pitches this season.

Expected & ratesnot in the panels above

xwOBA allowed

.365

1st-pitch strike%

59.9%

Putaway%

33.7%

Recent formlast 5 starts

L5 ERA

3.20

L5 FIP

4.32

L5 K/9

8.5

L5 BB/9

3.2

L5 HR/9

1.4

Pitches/start

92.1

Platoon & times-through

vs LHB xwOBA

.370

vs RHB xwOBA

.359

1st time xwOBA

.384

2nd time xwOBA

.366

3rd time xwOBA

.341

Inn 1-3 ERA

5.06

Inn 4-6 ERA

4.71

Inn 7+ ERA

1.27

Rolling formxwOBA allowed / K% / SwStr% / velo

7d xwOBA

.284

7d K%

21.9%

7d velo

89.0

14d xwOBA

.301

14d K%

19.4%

30d xwOBA

.342

30d K%

19.4%

30d velo

89.6

Statcast-derived from our v8 pitch corpus, refreshed daily. xwOBA (con) = xwOBA on balls in play. Percentages are share of the relevant opportunity.

Learn the betting side

How to bet on baseball: the complete MLB guide →Baseball's bets, from the run line to props, and the three things that move every number: pitching, the park, and the weather.How to read baseball stats for betting: OBP to xwOBA →A bettor's guide to baseball stats: what to read past the batting average and ERA, which numbers predict the future, and how Statcast measures it.MLB run line explained: baseball's 1.5-run spread →The run line is baseball's spread, fixed at 1.Betting MLB totals: pitchers, parks, and weather →An MLB over/under is set by three things: the starting pitchers, the ballpark, and the weather.