Ever since Citi Field opened before the 2009 season, the Mets' new home has drawn the ire of players and fans for its cavernous dimensions, making hitting a home run a Ruthian challenge. The situation became so dire that in January former Mets outfielder Jeff Francoeur called the stadium a "joke."

That same year, a new ballpark opened in the Bronx. Yankee Stadium quickly earned a reputation as a launching pad, with home runs flying out at a record pace. In the stadium's second month of existence, first...