^Statistics. Baseball Digest (Evanston, Illinois: Century Publishing). May 1990, 49 (5): 8 [2012-07-06]. ISSN 0005-609X. How many players have had 20 or more doubles, triples, and home rune in the same season? ... To further narrow the 20–20–20 club, has anybody else, besides Mays added 20 stolen bases ...
^Koppett, Leonard. At Second, He's First In the Class. The New York Times. 1990-07-09 [2012-08-09]. （原始内容存档于2020-11-05）. The first year, I almost made the 20-20-20 club: I had 19 triples and 19 homers, and more than 20 stolen bases.
^Granderson's 20th steal puts Tigers center fielder in select company. ESPN (ESPN Internet Ventures). Associated Press. 2007-09-09 [2010-12-08]. （原始内容存档于2014-02-23）. Granderson has 22 triples—the most by a Tiger since Ty Cobb had 24 in 1917—and 36 doubles. He hit his 20th homer Friday, becoming the sixth player since 1900 in the 20-20-20 club and the first since Kansas City's George Brett in 1979.
^Dorfman, John. His 30–30 club has 5 stocks as stars. Omaha.com (Bloomberg News). 2011-04-17 [2012-06-24]. （原始内容存档于2013-01-31）. In baseball, the club is for ballplayers who belt 30 home runs and steal 30 bases in the same season.
^Deane, Bill. Here Are Top Candidates To Join Elite '30-30' Club. Baseball Digest (Evanston, Illinois: Century Publishing). May 1987, 46 (5): 34 [2012-07-06]. ISSN 0005-609X. In 1956, Willie Mays became the second player to score a 30-30 season; a year later, he became the first to turn the trick twice.[失效链接]
^Associated Press. Baseball: Rollins joins 20-20-20-20 club. Honolulu Advertiser. 2007-09-30 [2010-12-08]. （原始内容存档于2020-09-13）. Phillies star Jimmy Rollins tripled against Washington on today and joined Curtis Granderson, Willie Mays and Frank "Wildfire" Schulte as the only players in major league history with 20 stolen bases, 20 homers, 20 triples and 20 doubles.
^Tigers lock up outfielder Granderson with five-year, $30.25M deal. ESPN. ESPN Internet Ventures. 2008-02-04 [2012-06-16]. （原始内容存档于2008-02-08）. He joined Willie Mays and Frank "Wildfire" Schulte as the only players in major league history with 20 steals, 20 homers, 20 triples and 20 doubles. Philadelphia shortstop Jimmy Rollins became a part of the 20-20-20-20 club later in the season.
^ 21.021.1DiComo, Anthony. Reyes turning the triple into an art form. MLB.com. MLB Advanced Media. 2011-06-20 [2012-06-23]. Citi Field['s] high walls and quirky outfield dimensions...has certainly played a role in the frequency of Reyes' triples, not only allowing a greater percentage of them to fall safely on the outfield grass, but also ensuring that only a few of his line drives will clear the fence for homers. The only thing a hitter can control...is his baserunning effort[失效链接]
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