Park Factors

AT&T Park, San Francisco


AT&T Park -74


MLW at SF, 6:05PM ET


Wind

15

mostly cloudy, 68°F
Moderate breeze out to right-center.
Later: mostly cloudy

Park Factor

-74

81 R
67 HR

This means that in the years 2010-2013, AT&T Park produced 81 runs for every 100 runs produced in the average MLB park, and 67 HRs for every 100 homers, for a mean Park Factor of 74.

This is an extreme pitcher's park.


AT&T Park, San Francisco

A picturesque open-air ballpark in San Francisco's trendy Mission Bay area of China Basin, AT&T Park (née Pac Bell Park, née SBC Park) is one of the design jewels of architects HOK Sport. Wedged into an asymmetrical shape by the imposition of San Francisco Bay, the park's right field line is a short 309 feet, fully 30 feet shorter than the left field corner. A steep angle, however, makes the right field power alley deeper than the left (421 vs 404), and the sharp angles make the 400 feet to dead center closer to home plate than the alleys. A Willy Mays high wall (24 feet) in right field helps balance the short porch, and balls aimed at McCovey Cove have to first get over that wall. The right field wall itself contains many arches and odd angles, however, which have caused enough bad bounces to earn it the nickname 'Triples Alley.' Overall, AT&T Park plays as a neutral park, with summer days favoring hitters but the damp nighttime air being particularly helpful to pitchers. As an open-air park by the Bay, the park is also quite subject to variable winds.


Team Park City Data PF
1 COL Coors Field Denver, Colorado 2010-2013 144
2 CHW U.S. Cellular Field Chicago, Illinois 2010-2013 125
3 TEX Globe Life Park Arlington, Texas 2010-2013 125
4 CIN Great American Ballpark Cincinnati, Ohio 2010-2013 121
5 MLW Miller Park Milwaukee, Wisconsin 2010-2013 119
6 NYY Yankee Stadium New York, NY 2009-2013 119
7 BAL Camden Yards Baltimore, Maryland 2010-2013 117
8 TOR Rogers Centre Toronto, Ontario 2010-2013 113
9 ARZ Chase Field Phoenix, Arizona 2010-2013 112
10 BOS Fenway Park Boston, Massachusetts 2010-2013 105
11 CHC Wrigley Field Chicago, Illinois 2010-2013 104
12 HOU Minute Maid Park Houston, Texas 2010-2013 102
13 PHI Citizens Bank Park Philadelphia, Pennsylvania 2010-2013 102
14 WAS Nationals Park Washington, D.C. 2009-2013 102
15 DET Comerica Park Detroit, Michigan 2010-2013 101
16 ATL Turner Field Atlanta, Georgia 2010-2013 97
17 LAD Dodger Stadium Los Angeles, California 2010-2013 97
18 CLE Progressive Field Cleveland, Ohio 2010-2013 96
19 KC Kauffman Stadium Kansas City, Missouri 2010-2013 95
20 MIN Target Field Minneapolis, Minnesota 2010-2013 92
21 STL Busch Stadium St. Louis, Missouri 2010-2013 88
22 NYM Citi Field New York, NY 2010-2013 87
23 MIA Marlins Park Miami, Florida 2013 86
24 OAK O.Co Coliseum Oakland, California 2010-2013 86
25 TB Tropicana Field St. Petersburg, Florida 2010-2013 85
26 PIT PNC Park Pittsburgh, Pennsylvania 2010-2013 83
27 SD Petco Park San Diego, California 2010-2013 82
28 LAA The Big A Anaheim, California 2010-2013 81
29 SEA Safeco Field Seattle, Washington 2010-2013 78
30 SF AT&T Park San Francisco, California 2010-2013 74



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ParkFactors.com is brought to you by ScoutingBook.com, using weather information provided by the national weather office. Wind direction is averaged to the nearest cardinal point and adjusted to ballpark orientation. Wind descriptions are provided using the Beaufort Standard Scale of wind terminology, ranging from 'still air' to 'hurricane' force. Park Factor is calculated differently by different analysts. Our Park Factor summary formula uses the mean of runs scored and home runs hit per game at home vs away, where 100 would be a perfectly-average park. Elements and terms on this site such as Major League, Major League Baseball, MLB, the silhouetted batter logo, World Series, National League, American League, Division Series, League Championship Series, All-Star Game, and the names, nicknames, and logos used on this site are the property of Major League Baseball Properties, Inc. or of the individual constituent legal bodies therein. These elements and terms are used here nominatively, as indicia only, under terms of fair or descriptive use, as applicable. This website is not affiliated in any way with Major League Baseball, and no use of the terms or indicia of Major League Baseball shall be construed as indicating any such affiliation.