Lefty/Righty effect, 2007.

The ability of XERA to translate "standard" data into run production per game (9 innings), shows the real effect

of platooning.

est.

Slg.

Avg.

OBP

Avg.

OPS

H/9

2B/9

3B/9

HR/9

BB/9

SO/9

XERA

40%

43%

RHB vs RHP

65942

17193

3467

266

1874

5118

13074

17232

.261

.317

.407

.724

8.98

1.81

0.14

0.98

2.67

6.83

3.97

20%

16%

RHB vs LHP

33488

9425

1988

160

1082

3482

5940

8506

.281

.352

.447

.799

9.97

2.10

0.17

1.14

3.68

6.28

4.84

33%

30%

LHB vs RHP

56111

15288

3152

443

1698

6286

10329

14431

.272

.349

.435

.784

9.53

1.97

0.28

1.06

3.92

6.44

4.66

11%

LHB vs LHP

12241

3071

590

303

1193

2846

3242

.251

.320

.385

.705

8.53

1.64

0.19

0.84

3.31

7.90

3.63

100%

2007 Totals

167782

44977

9197

938

4957

16079

32189

43411

.268

.335

.423

.758

9.32

1.91

0.19

1.03

3.33

6.67

4.47

59%

RHB

99430

26618

5455

426

2956

8600

19014

25738

.268

.329

.420

.749

9.31

1.91

0.15

1.03

3.01

6.65

4.39

41%

LHB

68352

18359

3742

512

2001

7479

13175

17673

.269

.344

.426

.770

9.35

1.91

0.26

1.02

3.81

6.71

4.60

73%

RHP

122053

32481

6619

709

3572

11404

23403

31663

.266

.332

.420

.752

9.23

1.88

0.20

1.02

3.24

6.65

4.41

27%

LHP

45729

12496

2578

229

1385

4675

8786

11748

.273

.344

.431

.774

9.57

1.97

0.18

1.06

3.58

6.73

4.62

RHB = Right-handed batters.

Generally, switch hitters are LHB vs RHP, and RHB vs LHP.

LHB = Left-handed batters.

RHP = Right-handed pitchers.

LHP = Left-handed pitchers.

Lefty/Righty effect, 2006.

est.

Slg.

Avg.

OBP

Avg.

OPS

H/9

2B/9

3B/9

HR/9

BB/9

SO/9

XERA

43%

46%

RHB vs RHP

70938

18764

3809

332

2213

5528

13763

18462

.265

.321

.421

.743

9.13

1.85

0.16

1.08

2.69

6.70

4.17

18%

14%

RHB vs LHP

29552

8119

1704

127

985

3075

5281

7581

.275

.348

.441

.789

9.62

2.02

0.15

1.17

3.64

6.26

4.72

33%

30%

LHB vs RHP

56602

15679

3133

438

1901

6307

10201

14474

.277

.354

.449

.803

9.73

1.94

0.27

1.18

3.91

6.33

4.84

10%

LHB vs LHP

10249

2511

489

287

937

2410

2740

.245

.313

.387

.700

8.23

1.60

0.18

0.94

3.07

7.90

3.61

100%

2006 Totals

167341

45073

9135

952

5386

15847

31655

43258

.269

.337

.432

.769

9.38

1.90

0.20

1.12

3.30

6.57

4.53

60%

RHB

100490

26883

5513

459

3198

8603

19044

26044

.268

.329

.427

.756

9.27

1.90

0.16

1.10

2.97

6.57

4.33

40%

LHB

66851

18190

3622

493

2188

7244

12611

17214

.272

.348

.439

.787

9.49

1.89

0.26

1.14

3.78

6.58

4.64

76%

RHP

127540

34443

6942

770

4114

11835

23964

32937

.270

.336

.433

.770

9.40

1.89

0.21

1.12

3.23

6.54

4.46

24%

LHP

39801

10630

2193

182

1272

4012

7691

10322

.267

.339

.427

.766

9.25

1.91

0.16

1.11

3.49

6.69

4.42

RHB = Right-handed batters.

Generally, switch hitters are LHB vs RHP, and RHB vs LHP.

LHB = Left-handed batters.

RHP = Right-handed pitchers.

LHP = Left-handed pitchers.