2012-14 Ballpark Tendencies

AMERICAN LEAGUE RUNS LHB BA RHB BA LHB HR RHB HR BB K
BAL Camden Yards Out Gr 5%     33% 7%    
BOS Fenway Park Out Gr 7% 6% 8% -28%      
CHW U.S. Cellular Field Out Gr 10%     13% 25% 13%  
CLE Progressive Field Out Gr -7%   -6% 9% -8% -6%  
DET Comerica Park Out Gr 7%   6% 7%     -11%
HOU Minute Maid Park Ret Gr       8% 12%   5%
KC Kauffman Stadium Out Gr       -8% -8%   -8%
LAA Angel Stadium Out Gr -10%     -20% -15% -11%  
MIN Target Field Out Gr 6%     -14%     -7%
NYY Yankee Stadium Out Gr       29% 19%    
OAK O.co Coliseum Out Gr -6% -5%   -20% -10% 5% -5%
SEA Safeco Field1 Ret Gr -9%   -5%   -7% -7% 5%
TAM Tropicana Field Ind Trf -7% -7%   -18% -12%    
TEX Rangers Ballpark Out Gr 7% 5%   10% -5%    
TOR Rogers Centre Ret Trf 5%     10% 25%   7%
 
NATIONAL LEAGUE RUNS LHB BA RHB BA LHB HR RHB HR BB K
ARI Chase Field Ret Gr 10% 5%   17% 9% -5%  
ATL Turner Field Out Gr         -6%   9%
CHC Wrigley Field Out Gr   6%   -13% 10% 5%  
CIN Great American BPark Out Gr       52% 33%   10%
COL Coors Field Out Gr 45% 14% 19% 33% 24%   -19%
LA Dodger Stadium Out Gr -12%   -7% 20% 7% -10%  
MIA Marlins Park Ret Gr       -38% -22%    
MIL Miller Park Ret Gr 9%     39% 33% 7%  
NYM Citi Field2 Out Gr -10% -6% -6%   11%   5%
PHI Citizens Bank Park Out Gr       18% 28%   7%
PIT PNC Park Out Gr -12%     -16% -42% -10% -9%
SD PETCO Park1 Out Gr -17% -6% -11% 7% -24%   6%
SF AT&T Park Out Gr -16%   -7% -34% -33% 6%  
STL Busch Stadium Out Gr         -13%    
WAS Nationals Park Out Gr   7% 5% -20% -13%   -6%
         
KEY  
1 2013-14 data only Out Outdoor Stadium     Slight advantage (+5%)
2 estimated Ind Dome (indoor)     Great advantage (+10%)
    Ret Retractable roof      
  Gr Grass     Slight disadvantage (-5%)
  Trf Turf     Great disadvantage (-10%)