Offseason

• October 2, 1978: Paul Siebert
  Paul Siebert
  Paul Edward Siebert is a former Major League Baseball pitcher. He pitched parts of five seasons in the majors, from until . Paul's father was former major league first baseman Dick Siebert....
  
   was traded by the Mets 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 Bob Coluccio
  Bob Coluccio
  Robert Pasquali Coluccio is a former professional baseball player. He played all or part of five seasons in Major League Baseball, between 1973 and 1978, for the Milwaukee Brewers, Chicago White Sox, and St. Louis Cardinals, primarily as an outfielder.-External links:...
  
  .
• December 4, 1978: Bobby Brown
  Bobby Brown (outfielder)
  Rogers Lee "Bobby" Brown , is a former Major League Baseball player who played outfield in the major leagues from -. Brown played for the Toronto Blue Jays , New York Yankees , Seattle Mariners and San Diego Padres In 502 games, Brown accumulated 313 hits, 26 home runs, 130 RBI, and a .245 batting...
  
   was drafted by the Mets from 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...
  
   in the 1978 rule 5 draft
  Rule 5 draft
  The Rule 5 draft is a Major League Baseball player draft that occurs each year in December, at the annual Winter Meeting of general managers. The Rule 5 draft aims to prevent teams from stockpiling too many young players on their minor league affiliate teams when other teams would be willing to...
  
  .
• December 5, 1978: Tom Grieve
  Tom Grieve
  Thomas Alan Grieve was a Major League Baseball player from 1970-1979 for the Washington Senators, Texas Rangers, New York Mets and St. Louis Cardinals...
  
   and Kim Seaman
  Kim Seaman
  Kim Michael Seaman is a former Major League Baseball pitcher. He appeared in 27 games for the St. Louis Cardinals during the 1979 and 1980 baseball seasons.-External links:...
  
   were traded by the Mets 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 Pete Falcone
  Pete Falcone
  Peter Frank "Pete" Falcone , is a left-handed former professional baseball player who pitched in the Major Leagues from 1975–84.-High school and college:...
  
  .
• December 8, 1978: Jerry Koosman
  Jerry Koosman
  Jerome Martin Koosman is a former left-handed starting pitcher in Major League Baseball who played for the New York Mets, Minnesota Twins, Chicago White Sox and Philadelphia Phillies between 1967 and 1985...
  
   was traded by the Mets to the Minnesota Twins
  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 a player to be named later and Greg Field (minors). The Minnesota Twins completed the trade by sending Jesse Orosco
  Jesse Orosco
  Jesse Russell Orosco is a former relief pitcher in Major League Baseball who holds the major league record for career pitching appearances. He pitched most notably for the New York Mets in the 1980s. He won a World Series in 1986 with the Mets and in 1988 with the Dodgers. He threw left-handed,...
  
   to the Mets on February 7, 1979.
• March 25, 1979: Bobby Brown was selected off waivers from the Mets by the Toronto Blue Jays
  Toronto Blue Jays
  The Toronto Blue Jays are a professional baseball team located in Toronto, Ontario, Canada. The Blue Jays are a member of the Eastern Division of Major League Baseball 's American League ....
  
  .
• March 27, 1979: Nino Espinosa
  Nino Espinosa
  Arnulfo Acevedo Espinosa was a right-handed Major League Baseball pitcher from the Dominican Republic signed as an amateur free agent with the New York Mets in September at the age of 17....
  
   was traded by the Mets 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 Richie Hebner
  Richie Hebner
  Richard Joseph Hebner is an American former professional baseball third baseman. He played from 1968 to 1985 in Major League Baseball. He played with the Pittsburgh Pirates, Philadelphia Phillies, New York Mets, and Chicago Cubs, all of the National League, and the Detroit Tigers of the American...
  
   and José Moreno
  José Moreno (baseball)
  José de los Santos Mauricio Moreno is a former Major League Baseball player. He played all or part of three seasons in the majors between and , playing for a different team in each season...
  
  .

Opening Day starters

• Kelvin Chapman
  Kelvin Chapman
  Kelvin Keith Chapman is a retired Major League Baseball player. He played his entire Major League career with the New York Mets.-Early career:...
  
  
• Doug Flynn
  Doug Flynn
  Robert Douglas Flynn Jr. is a former Major League Baseball infielder from -. He is best remembered for being one of the players the New York Mets acquired in the infamous "Midnight Massacre."-Cincinnati Reds:...
  
  
• Richie Hebner
  Richie Hebner
  Richard Joseph Hebner is an American former professional baseball third baseman. He played from 1968 to 1985 in Major League Baseball. He played with the Pittsburgh Pirates, Philadelphia Phillies, New York Mets, and Chicago Cubs, all of the National League, and the Detroit Tigers of the American...
  
  
• Steve Henderson
  Steve Henderson
  Steven Curtis Henderson is a former Major League Baseball left fielder who is best remembered for being one of the players the New York Mets acquired in the infamous "Midnight Massacre."-Cincinnati Reds:...
  
  
• Elliott Maddox
  Elliott Maddox
  Elliott Maddox is an African-American former Major League Baseball American player. Maddox, from 1970 to 1980, played for the Detroit Tigers, Washington Senators/Texas Rangers, New York Yankees, Baltimore Orioles, and New York Mets.-Early and personal life:Maddox attended Union High School in...
  
  
• Lee Mazzilli
  Lee Mazzilli
  Lee Louis Mazzilli, , is a former Major League Baseball player, coach, and manager. On December 11, 2006, he was hired as the lead studio analyst for SportsNet New York, the New York Mets' cable television network...
  
  
• 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...
  
  
• John Stearns
  John Stearns
  John Hardin Stearns is a former major league catcher who played for the New York Mets from to , and played a single game for the Philadelphia Phillies in ....
  
  
• Craig Swan
  Craig Swan
  Craig Steven Swan was a Major League Baseball pitcher from 1973 to 1984 for the New York Mets and California Angels. Swan's best season came in when he posted a 9-6 win–loss record and led the National League with an earned run average of 2.43. This was significant as the Mets were in the...
  
  

Notable transactions

• June 5, 1979: 1979 Major League Baseball Draft
  1979 Major League Baseball Draft
  The 1979 Major League Baseball First-Year Player Draft was held on June 5-7, 1979, via conference call.-First round selections:The following are the first round picks in the 1979 Major League Baseball draft.* Did not sign- Background :...
  
  
  • Tim Leary was drafted by the Mets in the 1st round (2nd pick).
  • Ron Gardenhire
    Ron Gardenhire
    Ronald Clyde "Gardy" Gardenhire is a former Major League Baseball shortstop and current manager of the Minnesota Twins.He is six feet tall and weighed 175 pounds during most of his baseball career....
    
     was drafted by the Mets in the 6th round.
  • Dave Smith
    Dave Smith (pitcher, born 1957)
    David Wayne Smith is a former professional baseball pitcher. Smith pitched in five games in Major League Baseball in and for the California Angels. He played baseball in college for the Lamar University Cardinals.-References:...
    
     was drafted by the Mets in the 27th round.
  • Bill Mooneyham
    Bill Mooneyham
    William Craig Mooneyham is a former major league baseball pitcher for the Oakland Athletics.Mooneyham attended Merced Junior College. He was originally drafted in in the 1st round . He made his major league debut on April 19, 1986 with Oakland...
    
     was drafted by the Mets in the 1st round (22nd pick) of the secondary phase, but did not sign.
• June 15, 1979: Bob Myrick
  Bob Myrick
  Robert Howard Myrick is a former Major League Baseball pitcher. He played all or part of three seasons in the majors, from until , for the New York Mets.-External links:...
  
   and Mike Bruhert
  Mike Bruhert
  Michael Edwin Bruhert is a former Major League Baseball pitcher. He is the former son-in-law of former New York Mets manager Gil Hodges....
  
   were traded by the Mets 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 Dock Ellis
  Dock Ellis
  Dock Phillip Ellis, Jr. was a professional baseball player who pitched for the Pittsburgh Pirates, among other teams in Major League Baseball. His best season was 1971, when he won 19 games for the World Series champion Pirates and was the starting pitcher for the National League in the All-Star...
  
  .
• August 12, 1979: 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...
  
   was traded by the Mets to the Texas Rangers for two players to be named later. The Rangers sent Ed Lynch to the Mets on September 18 and Mike Jorgensen
  Mike Jorgensen
  Michael Jorgensen is a former Major League Baseball player drafted by the New York Mets in the fourth round of the 1966 Major League Baseball Draft...
  
   on October 23 to complete the deal.
• August 20, 1979: Ray Burris
  Ray Burris
  Bertram Ray Burris was a pitcher with a 15 year career from 1973 to 1987. He played for the Chicago Cubs, New York Mets, Montreal Expos and St. Louis Cardinals all of the National League and the New York Yankees, Oakland Athletics, and Milwaukee Brewers all of the American League...
  
   was selected off waivers by the Mets from 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...
  
  .
• September 21, 1979: Dock Ellis was purchased from the Mets by 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...
  
  .

Roster

Starters by position

Other batters

Starting pitchers

Other pitchers

Relief pitchers

Farm system