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W-L percentage:
Divide the number of games won
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Monday, November 23, 2009 print this pageprint this page

What is the MLB.com O Zone Factor?

The MLB.com O Zone Factor data measures a team's success at scoring runners from second or third base ("scoring position"), as well as its success at preventing their opponent from doing so.

Each team has an "offensive" O Zone Factor percentage, detailing its ability to score runners from scoring position, as well as a "defensive" O Zone Factor percentage that measures its ability to prevent their opponents from bringing home runners from scoring position. The "O Zone Factor" is the result of subtracting the defensive value from the offensive value and, the higher the number, the more likely the team is to win.

Click here to find out more about the O Zone Factor data.
O Zone Factor updated through Monday, Oct 11, 2004 04:59:47 PM EDT
Major League Baseball, Post-All-Star


O ZONE FACTOR

O ZONE RUNS

O ZONE CHANCES

RUNS

RESULTS


TeamNET-RS-RISP-%RS-RISP-%RS-RASP-%RS-RISPRS-RASPNET-RS-RISPRISPRASPNET-RISPRSRAWLW%















Houston Astros
.065
.453
.388
254
197
57
561
508
53
407
319
48
26
.649
Baltimore Orioles
.064
.459
.395
271
221
50
590
559
31
407
349
41
36
.532
Florida Marlins
.057
.440
.383
227
183
44
516
478
38
343
317
38
36
.514
Chicago Cubs
.057
.429
.372
207
197
10
483
530
-47
389
320
42
33
.560
Minnesota Twins
.050
.453
.404
233
191
42
514
473
41
375
314
45
30
.600
Atlanta Braves
.032
.408
.376
247
174
73
606
463
143
388
290
51
24
.680
St. Louis Cardinals
.032
.408
.376
228
186
42
559
495
64
400
303
51
24
.680
Anaheim Angels
.028
.436
.408
252
205
47
578
502
76
390
331
45
30
.600
Texas Rangers
.028
.443
.415
226
243
-17
510
585
-75
373
366
40
36
.526
San Francisco Giants
.024
.435
.411
248
209
39
570
509
61
396
333
42
31
.575
Boston Red Sox
.023
.477
.454
296
233
63
620
513
107
467
366
50
26
.658
San Diego Padres
.020
.433
.414
254
199
55
586
481
105
391
345
40
34
.541
Los Angeles Dodgers
.009
.407
.399
213
193
20
523
484
39
379
332
45
31
.592
Chicago White Sox
.007
.476
.468
224
252
-28
471
538
-67
403
428
37
41
.474
Kansas City Royals
.006
.453
.446
244
258
-14
539
578
-39
360
426
27
50
.351
Philadelphia Phillies
.005
.431
.425
239
214
25
555
503
52
388
354
40
35
.533
New York Yankees
-.001
.451
.452
248
254
-6
550
562
-12
414
387
46
30
.605
New York Mets
-.004
.384
.387
180
229
-49
469
591
-122
297
366
27
48
.360
Seattle Mariners
-.012
.416
.428
242
238
4
582
556
26
351
406
31
45
.408
Colorado Rockies
-.017
.388
.405
203
240
-37
523
593
-70
368
398
32
43
.427
Montreal Expos
-.027
.391
.418
218
231
-13
558
553
5
345
364
36
39
.480
Detroit Tigers
-.029
.423
.452
199
245
-46
470
542
-72
361
390
30
45
.400
Toronto Blue Jays
-.031
.416
.447
203
247
-44
488
552
-64
319
399
28
45
.384
Cleveland Indians
-.032
.405
.437
217
228
-11
536
522
14
384
375
38
37
.507
Cincinnati Reds
-.036
.404
.439
205
260
-55
508
592
-84
339
455
29
45
.392
Oakland Athletics
-.045
.390
.436
217
206
11
556
473
83
361
343
44
32
.579
Pittsburgh Pirates
-.045
.388
.433
191
229
-38
492
529
-37
291
342
33
42
.440
Tampa Bay Devil Rays
-.054
.414
.469
213
262
-49
514
559
-45
326
410
28
46
.378
Arizona Diamondbacks
-.058
.368
.427
168
253
-85
456
593
-137
236
400
20
53
.274
Milwaukee Brewers
-.124
.324
.448
157
247
-90
484
551
-67
259
379
22
53
.293


Here's how the MLB.com O Zone Factor data are calculated:

O ZONE FACTOR
Net-RS-RISP-% = The difference between RS-RISP-% and RS-RASP-%
RS-RISP-% = The percentage of runners who scored after reaching scoring position
RS-RASP-% = The percentage of opposing runners allowed to score after reaching scoring position

O ZONE RUNS
RS-RISP = The number of runners who scored after reaching scoring position
RS-RASP = The number of opposing runners allowed to score after reaching scoring position
Net-RS-RISP = The difference between RS-RISP and RS-RASP

O ZONE CHANCES
RISP = The number of runners who advanced into scoring position
RASP = The number of opposing runners who were allowed into scoring position
Net-RISP = The difference between RISP and RASP

RUNS
RS = Total runs scored
RA = Total runs allowed

RESULTS
W = Total wins
L = Total losses
W% = Won-loss percentage