Extreme Baseball, also known as Double Diamond Baseball, is a sport based on traditional baseball

Baseball

Baseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...

. The main difference is that both teams are on the field at the same time. Pitchers

Pitcher

In baseball, the pitcher is the player who throwsthe baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk. In the numbering system used to record defensive plays, the...

 from each team take turns pitching to batters

Batting (baseball)

In baseball, batting is the act of facing the opposing pitcher and trying to produce offense for one's team. A batter or hitter is a person whose turn it is to face the pitcher...

 at two adjacent home plates. One team runs around the bases in the normal clockwise direction, while the other team runs around bases in a counterclockwise direction. The world premier game took place on May 5, 2007 at Historic Sanford Memorial Stadium

Historic Sanford Memorial Stadium

Historic Sanford Memorial Stadium is a baseball stadium located in Sanford, Florida. The ballpark is located just south of Lake Monroe on Mellonville Avenue, less than a mile from Historic Downtown Sanford. The stadium stands at the site of the old Sanford Field, which was originally built in 1926...

 in Sanford, Florida

Sanford, Florida

Sanford is a city in, and the county seat of, Seminole County, Florida, United States. The population was 38,291 at the 2000 census. As of 2009, the population recorded by the U.S. Census Bureau was 50,998...

.

Extreme Baseball was conceived and developed by Phillip Weidner, an avid fan of traditional baseball. In 2006, Weidner applied for a United States patent on the extreme baseball concept and the concept and patent was pending as of 2007.
Extreme Baseball teams from Saint Petersburg, Florida; Orlando, Florida

Orlando, Florida

Orlando is a city in the central region of the U.S. state of Florida. It is the county seat of Orange County, and the center of the Greater Orlando metropolitan area. According to the 2010 US Census, the city had a population of 238,300, making Orlando the 79th largest city in the United States...

; and Miami, Florida

Miami, Florida

Miami is a city located on the Atlantic coast in southeastern Florida and the county seat of Miami-Dade County, the most populous county in Florida and the eighth-most populous county in the United States with a population of 2,500,625...

were competing as of 2007.