Offseason

• October 1, 1954: Jim Bolger
  Jim Bolger (baseball)
  James Cyril Bolger is an American former professional baseball outfielder. Although Bolger played for the Reds, Indians, and Athletics, Bolger had over two-thirds of his major league playing time with the Chicago Cubs. In 1957 Bolger achieved his career-high batting average of .275, in 273 at...
  
  , Harry Perkowski
  Harry Perkowski
  Harry Walter Perkowski is a former pitcher in Major League Baseball who played between 1947 and 1955 for the Cincinnati Reds & Redlegs and Chicago Cubs...
  
   and Ted Tappe
  Ted Tappe
  Theodore Nash Tappe was an American professional baseball player from 1950–1952, 1954–1955 and 1957–1961. An outfielder, he appeared in 34 Major League Baseball games played for the Cincinnati Reds and Chicago Cubs...
  
   were traded by the Redlegs to the Chicago Cubs
  Chicago Cubs
  The Chicago Cubs are a professional baseball team located in Chicago, Illinois. They are members of the Central Division of Major League Baseball's National League. They are one of two Major League clubs based in Chicago . The Cubs are also one of the two remaining charter members of the National...
  
   for Johnny Klippstein
  Johnny Klippstein
  John Calvin Klippstein was an American pitcher in Major League Baseball for a number of teams throughout his career. The most prominent portion of his career was spent early on with the Chicago Cubs . In 18 years, he finished with an 101-118 record and a 4.24 ERA in 711 games...
  
   and Jim Willis
  Jim Willis (baseball)
  James Gladden Willis is a former pitcher in Major League Baseball who played from through for the Chicago Cubs. Listed at 6' 3", 175 lb., Willis batted left-handed and threw right-handed...
  
  .
• December 8, 1954: Frank Smith
  Frank Smith (1950s pitcher)
  Frank Thomas Smith was a former professional baseball player. He was a right-handed pitcher over parts of seven seasons with the Cincinnati Reds and St. Louis Cardinals...
  
   was traded by the Redlegs to the St. Louis Cardinals
  St. Louis Cardinals
  The St. Louis Cardinals are a professional baseball team based in St. Louis, Missouri. They are members of the Central Division in the National League of Major League Baseball. The Cardinals have won eleven World Series championships, the most of any National League team, and second overall only to...
  
   for Ray Jablonski
  Ray Jablonski
  Raymond Leo Jablonski was an American third baseman in Major League Baseball with an 8-year career from 1953 to 1960. Born in Chicago, Illinois, he played for the St...
  
   and Gerry Staley
  Gerry Staley
  Gerald Lee Staley was an American right-handed pitcher in Major League Baseball who excelled both as a starter and reliever. He was drafted by the St. Louis Cardinals in the Minor League draft. He pitched regularly from 1947 on, then was traded to Cincinnati for the 1955 season...
  
  .
• February 10, 1955: Lloyd Merriman
  Lloyd Merriman
  Lloyd Archer Merriman was an American professional baseball player who played outfielder in the Major Leagues from – for the Cincinnati Reds, Chicago White Sox and Chicago Cubs...
  
   was purchased from the Redlegs by 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...
  
  .
• Prior to 1955 season (exact date unknown)
  • Jesse Gonder
    Jesse Gonder
    Jesse Lemar Gonder , was a professional baseball player who played catcher in the Major Leagues from -. He played for the New York Mets, Cincinnati Reds, Milwaukee Braves, and Pittsburgh Pirates....
    
     was signed as an amateur free agent by the Redlegs.
  • Ernie Broglio
    Ernie Broglio
    Ernest Gilbert Broglio is a former right-handed pitcher in American Major League Baseball from 1959-66. Broglio signed with the independent Oakland Oaks of the Pacific Coast League after he attended West Contra Costa Junior College. He was acquired by the New York Giants in 1956...
    
     was acquired from the Cincinnati Redlegs by the Stockton Ports
    Stockton Ports
    The Stockton Ports are a baseball team in Stockton, California. The Ports play in the Northern Division of the Class A – Advanced California League and are a Minor League affiliate of the Oakland Athletics. Their home field is Banner Island Ballpark which seats over 5,000 people and opened in...
    
    .

Notable transactions

• April 30, 1955: Andy Seminick
  Andy Seminick
  Andrew Wasal Seminick was an American professional baseball player. He played in Major League Baseball as a catcher for the Philadelphia Phillies between 1943 and 1951, and the Cincinnati Reds/Redlegs from 1952 through part of 1955, when he rejoined the Phillies for the rest of his career until...
  
  , Glen Gorbous
  Glen Gorbous
  Glen Edward Gorbous was a Canadian baseball player who holds the current world record for longest throw of a baseball, 135.89m . The feat took place on August 1, 1957, while he was playing for the Omaha Cardinals of the American Association...
  
  , and Jim Greengrass
  Jim Greengrass
  James Raymond Greengrass is a former professional baseball player. He played five seasons in Major League Baseball, from 1952 until 1956, for the Cincinnati Reds and Philadelphia Phillies, primarily as an outfielder.-External links:...
  
   were traded by the Redlegs to the Philadelphia Phillies
  Philadelphia Phillies
  The Philadelphia Phillies are a Major League Baseball team. They are the oldest continuous, one-name, one-city franchise in all of professional American sports, dating to 1883. The Phillies are a member of the Eastern Division of Major League Baseball's National League...
  
   for Smoky Burgess
  Smoky Burgess
  Forrest Harrill "Smoky" Burgess was an American professional baseball player, coach and scout. He played in Major League Baseball as a catcher from 1949 to 1967. Later in his career, he became known for his ability as a pinch hitter, setting the major league career record for career pinch-hits...
  
  , Stan Palys
  Stan Palys
  Stanley Francis Palys is a former Major League Baseball outfielder. He played four seasons in the majors, from 1953 until 1956, for the Philadelphia Phillies and Cincinnati Redlegs....
  
   and Steve Ridzik
  Steve Ridzik
  Stephen George Ridzik was an American right-handed pitcher in Major League Baseball who played for five teams from to , primarily the Philadelphia Phillies and Washington Senators....
  
  .
• September 10, 1955: Lefty Hayden
  Lefty Hayden
  Eugene Franklin "Lefty" Hayden was a Major League Baseball pitcher. He pitched in three games for the Cincinnati Redlegs in 1958, all in relief.-Sources:...
  
   was obtained by the Redlegs from the Seattle Rainiers
  Seattle Rainiers
  The Seattle Rainiers, originally named the Seattle Indians and also known as the Seattle Angels, were a minor league baseball team in Seattle, Washington, that played in the Pacific Coast League from 1903-06 and 1919-68...
  
   as part of a working agreement.
• September 14, 1955: Gerry Staley
  Gerry Staley
  Gerald Lee Staley was an American right-handed pitcher in Major League Baseball who excelled both as a starter and reliever. He was drafted by the St. Louis Cardinals in the Minor League draft. He pitched regularly from 1947 on, then was traded to Cincinnati for the 1955 season...
  
   was selected off waivers from the Redlegs by the New York Yankees
  New York Yankees
  The New York Yankees are a professional baseball team based in the The Bronx, New York. They compete in Major League Baseball in the American League's East Division...
  
  .

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Farm system