Offseason

• October 3, 1979: Mickey Lolich
  Mickey Lolich
  Michael Stephen Lolich is a former Major League Baseball pitcher from 1962 until 1979 who played the majority of his career with the Detroit Tigers.-Baseball career:...
  
   was released by the Padres.
• December 3, 1979: Von Joshua
  Von Joshua
  Von Everett Joshua was an outfielder for the Los Angeles Dodgers , San Francisco Giants , Milwaukee Brewers and San Diego Padres ....
  
   was selected off waivers by the Padres from the Los Angeles Dodgers
  Los Angeles Dodgers
  The Los Angeles Dodgers are a professional baseball team based in Los Angeles, California. The Dodgers are members of Major League Baseball's National League West Division. Established in 1883, the team originated in Brooklyn, New York, where it was known by a number of nicknames before becoming...
  
  .
• February 15, 1980: Gaylord Perry
  Gaylord Perry
  Gaylord Jackson Perry is a former Major League Baseball right-handed pitcher. He pitched from 1962-1983 for eight different teams in his career. During a 22-year baseball career, Perry compiled 314 wins, 3,534 strikeouts, and a 3.11 earned run average...
  
  , Tucker Ashford
  Tucker Ashford
  Thomas Steven Ashford was a third baseman for the San Diego Padres , Texas Rangers , New York Yankees , New York Mets and Kansas City Royals ....
  
   and Joe Carroll (minors) were traded by the Padres to the Texas Rangers
  Texas Rangers (baseball)
  The Texas Rangers are a professional baseball team in the Dallas-Fort Worth Metroplex, based in Arlington, Texas. The Rangers are a member of the Western Division of Major League Baseball's American League, and are the reigning A.L. Western Division and A.L. Champions. Since , the Rangers have...
  
   for Willie Montañez
  Willie Montañez
  Guillermo Montañez Naranjo is a former Major League Baseball first baseman. Even though he was productive, Montañez often carried the label "hot dog" for the whimsical manner in which he approached the game. After hitting home runs, he would trot very slowly around the bases, shuffling his feet on...
  
  .
• February 15, 1980: Bob Owchinko was traded by the San Diego Padres with Jim Wilhelm to the Cleveland Indians for Jerry Mumphrey.

Regular season

• Ozzie Smith
  Ozzie Smith
  Osborne Earl "Ozzie" Smith is an American former baseball shortstop who played in Major League Baseball for the San Diego Padres and St. Louis Cardinals from 1978 to 1996...
  
   set a major league record for most assists by a shortstop in 1980 with 621.

Opening Day starters

• Dave Cash
  Dave Cash (baseball)
  David Cash, Jr. is a former Major League Baseball second baseman who played in the National League for the Pittsburgh Pirates , Philadelphia Phillies , Montreal Expos and San Diego Padres .Cash established himself as a solid singles hitter and a good defensive second baseman in his seasons with...
  
  
• Bill Fahey
  Bill Fahey
  William Roger Fahey is a former catcher in professional baseball who played for the Washington Senators/Texas Rangers , San Diego Padres and Detroit Tigers . Fahey batted left-handed and threw right-handed...
  
  
• Randy Jones
• Jerry Mumphrey
  Jerry Mumphrey
  Jerry Wayne Mumphrey is a retired Major League Baseball outfielder who played for the St. Louis Cardinals , San Diego Padres , New York Yankees , Houston Astros and Chicago Cubs ....
  
  
• Gene Richards
  Gene Richards (baseball)
  Eugene Richards Jr. is a former Major League Baseball outfielder. He played eight seasons in the majors, from 1977 until 1984, for the San Diego Padres and San Francisco Giants. He was born in Monticello, South Carolina.-See also:...
  
  
• Aurelio Rodríguez
  Aurelio Rodríguez
  Aurelio Rodríguez Ituarte, Jr. , was a third baseman in Major League Baseball who played for the California Angels , Washington Senators , Detroit Tigers , San Diego Padres , New York Yankees , Chicago White Sox and Baltimore Orioles...
  
  
• Ozzie Smith
  Ozzie Smith
  Osborne Earl "Ozzie" Smith is an American former baseball shortstop who played in Major League Baseball for the San Diego Padres and St. Louis Cardinals from 1978 to 1996...
  
  
• Gene Tenace
  Gene Tenace
  Fury Gene Tenace , better known as Gene Tenace, is a former Italian-American professional baseball player and current coach in Major League Baseball. He was a catcher and first baseman from through . Tenace was drafted by the Kansas City Athletics from Valley High School in Lucasville, OH and...
  
  
• Dave Winfield
  Dave Winfield
  David Mark Winfield is an American former Major League Baseball outfielder. He is currently Executive Vice President/Senior Advisor of the San Diego Padres and an analyst for the ESPN program Baseball Tonight...
  
  

Notable transactions

• April 2, 1980: Danny Boone
  Danny Boone
  Daniel Hugh Boone is a former professional baseball pitcher. He pitched parts of three seasons in Major League Baseball, appearing in 1981, 1982, and 1990...
  
   was signed as a free agent by the Padres.
• June 3, 1980: Ron Romanick was drafted by the San Diego Padres in the 1st round (7th pick) of the 1980 amateur draft (Secondary Phase), but did not sign.
• June 3, 1980: Gerry Davis
  Gerry Davis (outfielder)
  Gerald Edward Davis is a former Major League Baseball outfielder. He played in parts of two seasons in the majors, and , for the San Diego Padres.-External links:...
  
   was drafted by the Padres in the 6th round of the 1980 Major League Baseball Draft
  1980 Major League Baseball Draft
  -First round selections:The following are the first round picks in the 1980 Major League Baseball draft.- Compensation Picks :*William Erickson, was drafted in the second round by the San Francisco Giants, 31st pick overall. *Jeff Horne was drafted in the second round by the Pittsburgh Pirates,...
  
  .
• August 5, 1980: Kurt Bevacqua
  Kurt Bevacqua
  Kurt Bevacqua is a former Major League Baseball player. He was chosen in the 12th round of the 1967 draft by the Cincinnati Reds and debuted in the big leagues in 1971 with the Cleveland Indians, ultimately playing for six different teams during his career. His final appearance was in with the...
  
   and a player to be named later were traded by the Padres to the Pittsburgh Pirates
  Pittsburgh Pirates
  The Pittsburgh Pirates are a Major League Baseball club based in Pittsburgh, Pennsylvania. They play in the Central Division of the National League, and are five-time World Series Champions...
  
   for Luis Salazar
  Luis Salazar
  Luis Ernesto Salazar Garcia is a former third baseman and outfielder in Major League Baseball, a right-handed batter who played from 1980 to 1992....
  
   and Rick Lancellotti
  Rick Lancellotti
  Richard Anthony Lancellotti is a former first baseman/outfielder in Major League Baseball who played for the San Diego Padres , San Francisco Giants and Boston Red Sox...
  
  . The Padres completed the deal by sending Mark Lee
  Mark Lee (right-handed pitcher)
  Mark Linden Lee is a former Major League Baseball pitcher. Lee pitched in all or part of four seasons from until , the first two for the San Diego Padres and the last two for the Pittsburgh Pirates.-Sources:...
  
   to the Pirates on August 12.
• August 11, 1980: Von Joshua was released by the Padres.
• August 31, 1980: Willie Montañez was traded by the Padres to the Montreal Expos
  Washington Nationals
  The Washington Nationals are a professional baseball team based in Washington, D.C. The Nationals are a member of the Eastern Division of the National League of Major League Baseball . The team moved into the newly built Nationals Park in 2008, after playing their first three seasons in RFK Stadium...
  
   for Tony Phillips
  Tony Phillips
  Keith Anthony Phillips is a former Major League Baseball utility player who had an 18-year career from to . He played regularly at three infield positions, primarily as a second baseman, but also had significant time as a shortstop and third baseman...
  
   and cash.

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Awards and honors

• Ozzie Smith
  Ozzie Smith
  Osborne Earl "Ozzie" Smith is an American former baseball shortstop who played in Major League Baseball for the San Diego Padres and St. Louis Cardinals from 1978 to 1996...
  
  , SS, Gold Glove Award

Farm system