Offseason

• December 11, 1923: Harry O'Neill
  Harry O'Neill (pitcher)
  Joseph Henry O'Neill was a Major League Baseball pitcher. He pitched in four games for the Philadelphia Athletics over two seasons, one in and three in ....
  
  , Hank Hulvey
  Hank Hulvey
  James Hensel "Hank" Hulvey was a professional baseball player. He was a right-handed pitcher for one season with the Philadelphia Athletics. For his career, he compiled an 0-1 record, with a 7.71 earned run average, and two strikeouts in seven innings pitched.Hulvey pitched 19 season in minor...
  
  , Pinky Pittenger
  Pinky Pittenger
  Clarke Alonzo "Pinky" Pittenger [previously thought to be Pittinger] was a reserve infielder/outfielder in Major League Baseball, playing mainly at shortstop for three different teams between the and seasons. Listed at 5' 10", 160 lb., Pittenger batted and threw right-handed...
  
   and $35,000 were traded by the Athletics to the Salt Lake City Bees
  Salt Lake Bees
  The Salt Lake Bees are a Pacific Coast League minor league baseball team based in Salt Lake City, Utah. The Bees serve as the Triple-A affiliate of Major League Baseball's Los Angeles Angels of Anaheim. They play their home games at Spring Mobile Ballpark, known to fans as the Apiary, which was...
  
   for Paul Strand
  Paul Strand (baseball)
  Paul Edward Strand was a pitcher and outfielder in Major League Baseball. He played for the Boston Braves and Philadelphia Athletics.-External links:...
  
  .
• December 15, 1923: Wid Matthews
  Wid Matthews
  Wid Curry Matthews was an American outfielder, scout and front office executive in Major League Baseball. Matthews served as general manager of the Chicago Cubs for seven full seasons and became one of the first front-office employees in the history of the New York Mets in 1961, the year before...
  
  , Heinie Scheer
  Heinie Scheer
  Henry William "Heinie" Scheer was an American second baseman in Major League Baseball. He played for the Philadelphia Athletics from 1922 to 1923....
  
  , and $40,000 were traded by the Athletics to the Milwaukee Brewers
  Milwaukee Brewers (minor league baseball team)
  The Milwaukee Brewers were a Minor League Baseball team based in Milwaukee, Wisconsin. They played in the American Association from 1902 through 1952.-A Milwaukee Tradition:...
  
   for Al Simmons
  Al Simmons
  Aloysius Harry Simmons , born Aloisius Szymanski in Milwaukee, Wisconsin, was an American baseball player. He played for two decades in the major leagues as an outfielder, and had his best years as a member of Connie Mack's Philadelphia Athletics during the 1930's...
  
  .

Notable transactions

• July, 1924: Jimmie Foxx
  Jimmie Foxx
  James Emory "Jimmie" Foxx , nicknamed "Double X" and "The Beast", was a right-handed American Major League Baseball first baseman and noted power hitter....
  
   was purchased by the Athletics from the Easton Farmers.

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers