The Z Files: Neutralizing Park Factors

The Z Files: Neutralizing Park Factors

This article is part of our The Z Files series.

Obviously, nothing has been determined. However, some of the scenarios being bandied about for MLB's return is for clubs to play somewhere other than their home cities and traditional venues. Be it the Florida/Arizona plan, the Arizona-only proposal or even playing overseas in Japan, an integral aspect of current player expectations would become moot: their numbers at home. For some, this is detrimental but for others, it could be an advantage.

Of course, this is only half the story. To fully adjust projections, the park factors for where the games will be played need to be considered. However, not only is the schedule unknown, it may not be possible to come up with credible factors, so stripping out expected home numbers is all we can do for now.

This is relevant as many leagues postponed their draft or auction, while brand new leagues are still forming. If you've yet to draft in one of your leagues, and the festivities are scheduled before MLB announces the plans, you'll need to decide how you want to alter expectations. Once things are official, we'll update everything, but until then, it's your call.

What follows is how an arbitrary hitter and pitcher would perform in all 30 MLB ball parks. That is, the stats if the season were played in a neutral park will be translated to each home venue and quantified for 15-team, mixed league play.

Hitters will be divided into lefty and righty swingers. Switch hitters face right-handed pitching about 72 percent

Obviously, nothing has been determined. However, some of the scenarios being bandied about for MLB's return is for clubs to play somewhere other than their home cities and traditional venues. Be it the Florida/Arizona plan, the Arizona-only proposal or even playing overseas in Japan, an integral aspect of current player expectations would become moot: their numbers at home. For some, this is detrimental but for others, it could be an advantage.

Of course, this is only half the story. To fully adjust projections, the park factors for where the games will be played need to be considered. However, not only is the schedule unknown, it may not be possible to come up with credible factors, so stripping out expected home numbers is all we can do for now.

This is relevant as many leagues postponed their draft or auction, while brand new leagues are still forming. If you've yet to draft in one of your leagues, and the festivities are scheduled before MLB announces the plans, you'll need to decide how you want to alter expectations. Once things are official, we'll update everything, but until then, it's your call.

What follows is how an arbitrary hitter and pitcher would perform in all 30 MLB ball parks. That is, the stats if the season were played in a neutral park will be translated to each home venue and quantified for 15-team, mixed league play.

Hitters will be divided into lefty and righty swingers. Switch hitters face right-handed pitching about 72 percent of the time, so if you're interested in adjusting someone who hits from both sides of the plate, a good estimate is 75 percent of the left-handed difference. That is, if a lefty loses $4 of production, a switch hitter with the same stats loses around $3.

LEFT-HANDED BATTERS

Team

AB

H

HR

R

RBI

SB

AVG

Value

Difference

Neutral (LHB)

542

150

30

85

83

8

0.277

$21

$0

Miami (LHB)

541

144

28

82

80

8

0.266

$17

$4

Oakland (LHB)

543

145

28

82

80

8

0.267

$17

$4

San Francisco (LHB)

543

149

25

82

79

8

0.274

$17

$3

Mets (LHB)

542

145

29

82

80

8

0.268

$17

$3

Tampa (LHB)

542

145

29

82

80

8

0.268

$17

$3

Seattle (LHB)

543

148

29

84

82

8

0.273

$19

$2

San Diego (LHB)

541

149

28

84

81

8

0.275

$19

$1

St. Louis (LHB)

543

149

29

84

82

8

0.274

$20

$1

Atlanta (LHB)

541

149

29

84

82

8

0.275

$20

$1

Toronto (LHB)

540

155

31

88

86

8

0.287

$20

$1

Angels (LHB)

544

147

32

85

84

8

0.270

$20

$1

Houston (LHB)

542

147

31

84

83

8

0.271

$20

$0

Detroit (LHB)

542

149

30

85

83

8

0.275

$20

$0

White Sox (LHB)

541

145

34

86

85

8

0.268

$21

$0

Milwaukee (LHB)

540

148

32

86

84

8

0.274

$21

$0

Boston (LHB)

542

153

28

85

83

8

0.282

$21

-$1

Cincinnati (LHB)

541

149

32

86

84

8

0.275

$21

-$1

Dodgers (LHB)

544

150

32

85

85

8

0.276

$22

-$1

Pittsburgh (LHB)

541

151

30

86

84

8

0.279

$22

-$1

Minnesota (LHB)

541

152

30

86

84

8

0.281

$22

-$1

Cubs (LHB)

541

153

29

86

84

8

0.283

$22

-$1

Kansas City (LHB)

542

155

28

85

83

8

0.286

$22

-$1

Philadelphia (LHB)

541

149

33

87

85

8

0.275

$22

-$1

Cleveland (LHB)

543

152

31

86

85

8

0.280

$22

-$2

Arizona (LHB)

543

154

29

86

85

8

0.284

$22

-$2

Yankees (LHB)

542

149

34

87

86

8

0.275

$23

-$2

Baltimore (LHB)

543

153

32

87

86

8

0.282

$23

-$3

Texas (LHB)

544

148

31

84

83

8

0.272

$24

-$4

Washington (LHB)

542

157

32

89

87

8

0.290

$26

-$5

Colorado (LHB)

541

163

33

93

91

8

0.301

$30

-$9

The difference for 17 teams is plus or minus one buck, which is essentially nothing. To be honest, even $2 is hardly anything, especially in light of the series of spring essays I just did illustrating the flaws in valuation.

Most of the results are not surprising. However, unless you are really tuned into park factors, perhaps from playing in daily leagues, DFS or betting on games, a couple may raise an eyebrow. If asked which left-handed hitters would be most affected, not many would have identified Nationals batters. It will be interesting to see if Juan Soto's draft stock falls if games are played outside of standard venues.

Other surprises include a handful of venues perceived to be hitting parks by virtue of favoring power. Some of these yards suppress hits, and thus batting average. From the list, many may find the White Sox, Brewers and Reds lefties losing less than expected, but these home run parks are detrimental to batting averages. On the flip side, Red Sox and Royals left-handers will bop more long balls, but suffer in average.

RIGHT-HANDED BATTERS

Team

AB

H

HR

R

RBI

SB

AVG

Value

Difference

Neutral (LHB)

542

150

30

85

83

8

0.277

$21

$0

Mets (RHB)

543

142

30

82

81

8

0.262

$17

$4

St. Louis (RHB)

542

148

27

82

80

8

0.273

$18

$3

San Diego (RHB)

540

146

29

83

81

8

0.270

$18

$2

San Francisco (RHB)

544

150

27

82

80

8

0.276

$19

$2

Seattle (RHB)

541

147

29

84

81

8

0.272

$19

$2

Pittsburgh (RHB)

540

149

27

83

80

8

0.276

$19

$2

Miami (RHB)

542

150

27

83

80

8

0.277

$19

$2

Kansas City (RHB)

542

150

27

83

81

8

0.277

$19

$2

Tampa (RHB)

542

147

30

84

82

8

0.271

$19

$2

Arizona (RHB)

541

148

29

84

82

8

0.274

$19

$1

Oakland (RHB)

540

149

29

85

82

8

0.276

$20

$1

Cleveland (RHB)

541

149

30

84

82

8

0.275

$20

$1

Angels (RHB)

542

148

31

85

83

8

0.273

$20

$0

Milwaukee (RHB)

542

148

31

85

83

8

0.273

$20

$0

Dodgers (RHB)

545

149

31

84

84

8

0.273

$20

$0

White Sox (RHB)

542

149

31

85

83

8

0.275

$21

$0

Houston (RHB)

542

149

32

85

84

8

0.275

$21

$0

Toronto (RHB)

542

149

32

86

85

8

0.275

$22

-$1

Atlanta (RHB)

543

153

29

85

83

8

0.282

$22

-$1

Cubs (RHB)

541

150

31

86

84

8

0.277

$22

-$1

Yankees (RHB)

541

150

32

86

84

8

0.277

$22

-$1

Boston (RHB)

542

153

30

86

84

8

0.282

$22

-$2

Cincinnati (RHB)

540

149

33

87

86

8

0.276

$22

-$2

Minnesota (RHB)

541

153

30

86

84

8

0.283

$22

-$2

Philadelphia (RHB)

543

150

34

87

86

8

0.276

$23

-$2

Washington (RHB)

542

153

32

87

86

8

0.282

$23

-$3

Baltimore (RHB)

541

151

34

88

86

8

0.279

$24

-$3

Detroit (RHB)

543

155

31

87

86

8

0.285

$24

-$3

Texas (RHB)

541

155

31

88

86

8

0.287

$24

-$3

Colorado (RHB)

542

163

32

92

90

8

0.301

$29

-$8

Here, only a dozen squads gain or lose $1, with 11 more differing by just $2.

A somewhat surprising result could be the gains Mets right-handers would make. Not playing at Citi Field would really help J.D. Davis, for instance, especially if the universal designated hitter is deployed for the 2020 campaign.

The Tigers head the list of the curious losers if games aren't played in normal places. Comerica Park is generally though of as a pitcher's park, but it's one of the best sites for righties, registering a 108 park factor for hits and 105 for homers. That said, it's not like many Tigers ambush the fantasy hitting cheat sheets. Still, C.J. Cron and Jonathan Schoop were earmarked for a latent bump that's likely mitigated.

Before shifting attention to pitching, keep in mind park factors don't apply proportionately to every batter, they're a global effect. Some individuals will be affected more or less than others, not to mention in the sample of a likely abbreviated season, variance could mask tangible effects. As such, it's best to only make significant changes at the extremes. If you liked a batter only losing $2 of projected value, don't sweat it. On the other hand, don't jump a guy gaining $2 over someone whose skills you prefer. Also, the example hitter used is pretty good, as a $20 player is just outside the top 50. As you move down the rankings, the relative difference between the neutral and home park production lessens.

PITCHERS

Team

W

H

BB

K

ER

ERA

WHIP

Value

Difference

Neutral

12

155

45

175

68

3.60

1.18

14

$0

Colorado

12

163

45

166

74

3.92

1.22

10

$4

Detroit

9

158

44

167

69

3.65

1.19

11

$3

Washington

12

160

45

175

72

3.81

1.21

12

$3

Texas

11

158

46

172

70

3.71

1.20

12

$2

Baltimore

11

156

45

169

70

3.71

1.18

12

$2

Kansas City

11

157

45

166

67

3.55

1.19

13

$1

Cubs

12

156

46

174

69

3.65

1.19

13

$1

Cincinnati

11

154

47

184

69

3.65

1.18

13

$1

Philadelphia

11

154

45

181

69

3.65

1.17

14

$1

Pittsburgh

11

155

46

171

67

3.55

1.18

14

$1

Red Sox

13

158

45

174

69

3.65

1.19

14

$0

Minnesota

13

157

46

174

69

3.65

1.19

14

$0

White Sox

11

153

46

179

68

3.60

1.17

14

$0

Toronto

11

154

44

175

68

3.60

1.16

14

$0

Yankees

13

155

45

178

70

3.71

1.18

14

$0

Cleveland

12

156

45

177

68

3.60

1.18

14

$0

Arizona

12

156

45

174

67

3.55

1.18

14

$0

San Diego

11

152

47

174

66

3.49

1.17

15

$0

Milwaukee

12

153

46

182

68

3.60

1.17

15

$0

Atlanta

13

156

45

174

67

3.55

1.18

15

-$1

Angels

12

153

44

176

67

3.55

1.16

15

-$1

St. Louis

12

154

44

172

66

3.49

1.16

15

-$1

Miami

10

151

46

177

64

3.39

1.16

15

-$1

Houston

13

153

45

178

67

3.55

1.16

16

-$2

San Francisco

11

153

44

174

64

3.39

1.16

16

-$2

Dodgers

13

154

42

176

67

3.55

1.15

16

-$2

Oakland

12

152

45

175

65

3.44

1.16

16

-$2

Tampa

12

151

45

181

65

3.44

1.15

16

-$2

Seattle

12

151

44

181

64

3.39

1.15

17

-$3

Mets

12

148

44

183

62

3.28

1.13

19

-$4

Pitching doesn't need to include separate data for lefties and righties. However, the style of pitcher influences how he'll be affected by the park. Specifically, some venues embellish homers while suppressing hits and runs. This is the aggregate affect. Hurlers that allow a higher than average number of long balls may not realize as much of the run-saving impact as those that keep the ball in the yard. With that said, here are some big-picture observations.

Everyone would have pegged Rockies arms as being the greatest beneficiaries, but not many would have tagged the Tigers and Nationals as being next on the list. The fact that Nationals Park isn't seen as a hitter's park speaks to just how skilled Max Scherzer is, as well as Stephen Strasburg and Patrick Corbin. It also provides another reason to like Matthew Boyd and perhaps take a chance on Spencer Turnbull in deeper formats. Of course, German Marquez and Jon Gray are the biggest winners.

Those ranking Jacob deGrom ahead of Gerrit Cole (raises hand) may want to reconsider, as Citi Field is one of the top pitching venues in the game. Even though Cole's overall potential doesn't change much moving out the Bronx, deGrom's numbers should suffer if he's forced to work away from Queens.

As discussed in the intro, if MLB announces a plan involving games played away from the usual digs, we'll make the player-by-player adjustments. In the meantime, the data displayed above can be used to adjust your rankings for upcoming drafts.

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ABOUT THE AUTHOR
Todd Zola
Todd has been writing about fantasy baseball since 1997. He won NL Tout Wars and Mixed LABR in 2016 as well as a multi-time league winner in the National Fantasy Baseball Championship. Todd is now setting his sights even higher: The Rotowire Staff League. Lord Zola, as he's known in the industry, won the 2013 FSWA Fantasy Baseball Article of the Year award and was named the 2017 FSWA Fantasy Baseball Writer of the Year. Todd is a five-time FSWA awards finalist.
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