Offseason

• December 1, 1937: Chief Hogsett
  Chief Hogsett
  Elon Chester "Chief" Hogsett was a sub-marining left-handed pitcher in Major League Baseball. He played 11 seasons in the American League with the Detroit Tigers , St...
  
   was traded by the Browns to the Washington Senators
  Minnesota Twins
  The Minnesota Twins are a professional baseball team based in Minneapolis, Minnesota. They play in the Central Division of Major League Baseball's American League. The team is named after the Twin Cities area of Minneapolis and St. Paul. They played in Metropolitan Stadium from 1961 to 1981 and the...
  
   for Ed Linke
  Ed Linke
  Edward Karl Linke was a Major League Baseball pitcher. He played all or part of six seasons in the majors, from until , for the Washington Senators and St. Louis Browns.-External links:...
  
  .
• December 2, 1937: Joe Vosmik
  Joe Vosmik
  Joseph Franklin Vosmik born in Cleveland, Ohio was an Outfielder for the Cleveland Indians , St. Louis Browns , Boston Red Sox , Brooklyn Dodgers and Washington Senators . He helped the Dodgers win the 1941 National League Pennant.He was voted to the 1935 American League All-Star Team as a Right...
  
   was traded by the Browns to the Boston Red Sox
  Boston Red Sox
  The Boston Red Sox are a professional baseball team based in Boston, Massachusetts, and a member of Major League Baseball’s American League Eastern Division. Founded in as one of the American League's eight charter franchises, the Red Sox's home ballpark has been Fenway Park since . The "Red Sox"...
  
   for Red Kress
  Red Kress
  Ralph "Red" Kress was a shortstop and coach in Major League Baseball. From through , he played for the St. Louis Browns , Chicago White Sox , Washington Senators , Detroit Tigers and New York Giants . Kress batted and threw right-handed...
  
  , Buster Mills
  Buster Mills
  Colonel Buster Mills was an American outfielder, coach, scout and interim manager in Major League Baseball. A native of Ranger, Texas, Mills received a degree in geology from Oklahoma University in 1931...
  
   and Bobo Newsom
  Bobo Newsom
  Louis Norman Newsom was an American starting pitcher in Major League Baseball. Also known as "Buck", Newsom played for a number of teams from 1929 through 1953...
  
  .

Notable transactions

• June 11, 1938: Jack Knott
  Jack Knott
  John Henry Knott born in Dallas, Texas was a pitcher for the St. Louis Browns , Chicago White Sox and Philadelphia Athletics ....
  
   was traded by the Browns to the Chicago White Sox
  Chicago White Sox
  The Chicago White Sox are a Major League Baseball team located in Chicago, Illinois.The White Sox play in the American League's Central Division. Since , the White Sox have played in U.S. Cellular Field, which was originally called New Comiskey Park and nicknamed The Cell by local fans...
  
   for Bill Cox
  Bill Cox (baseball)
  William Donald Cox was a professional baseball pitcher. He played all or part of five seasons in Major League Baseball, from 1936 until 1940, for the St. Louis Cardinals, Chicago White Sox and St. Louis Browns....
  
  .
• September 8, 1938: Joe Grace
  Joe Grace
  Joseph LaVerne Grace was a Major League Baseball outfielder. He played for the St. Louis Browns from to before going into World War II. After the war he played for the Browns in and Washington Senators from to...
  
   was purchased by the Browns from the Memphis Chicks
  Memphis Chicks
  The Memphis Chicks were an American minor league baseball team based in Memphis, Tennessee. The Chicks were charter members of the Southern Association from 1901 until November 18, 1960, when the club folded and was transferred to Macon, Georgia for 1961.The Chicks suffered a...
  
   (Southern Association
  Southern Association
  The Southern Association was a higher-level minor league in American organized baseball from 1901 through 1961. For most of its existence, the Southern Association was two steps below the Major Leagues; it was graded Class A , Class A1 and Class AA...
  
  ).

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Farm system