Mobile Site You Are Here > Home > Minor Leagues > Leagues > Union Association

Union Association (D) Encyclopedia and History

League History

Year	Tm
1914	Boise Irrigators, Butte Miners, Helena Senators, Murray Infants, Ogden Canners, Salt Lake City Skyscrapers
1913	Butte Miners, Great Falls Electrics, Helena Senators, Missoula, Ogden Canners, Salt Lake City Skyscrapers
1912	Butte Miners, Great Falls Electrics, Helena Senators, Missoula, Ogden Canners, Salt Lake City Skyscrapers
1911	Boise Irrigators, Butte Miners, Great Falls Electrics, Helena Senators, Missoula, Salt Lake City Skyscrapers

League History in Other Classifications

Year		Tm
1908	N/A	Baltimore, Brooklyn Invaders, Elizabeth, Paterson/Allentown, Philadelphia, Reading, Washington, Wilmington
1884	MLB	Altoona Mountain City, Baltimore Monumentals, Boston Reds, Chicago/Pittsburgh, Cincinnati Outlaw Reds, Kansas City Cowboys, Milwaukee Brewers, Philadelphia Keystones, St. Louis Maroons, St. Paul White Caps, Washington Nationals, Wilmington Quicksteps

Question, Comment, Feedback or Correction?

Automatic Player Linking / Statistical Sharing Tool / Basic Player Linking / Data Coverage

See Front Page for time of last update

Much of the play-by-play, game results, and transaction information both shown and used to create certain data sets was obtained free of charge from and is copyrighted by RetroSheet.

Win Expectancy, Run Expectancy, and Leverage Index calculations provided by Tom Tango of InsideTheBook.com, and co-author of The Book: Playing the Percentages in Baseball.

Total Zone Rating and Wins above Replacement calculations provided by Sean Smith of BaseballProjection.com.

Full-year historical Major League statistics provided by Pete Palmer and Gary Gillette of 24-7 Baseball.

Player head shots courtesy of David Davis. Many thanks to him. We have only selected seasons (players who debuted before 1960) for which we believe the image has reverted into the public domain. We will quickly remove any images for which that can be shown to not be the case.Please let us know if you are aware of any such images on this site.

Play Index Loading Photos from the George Grantham Bain Collection at the Library of Congress.

A Sports Reference Site: About Baseball Reference | Found a bug or have a suggestion?
Privacy Statement | Conditions & Terms of Service | Use of Data

Partner of USA TODAY Sports Digital Properties.