The Major League Baseball Players Association (MLBPA) is the labor union representing all current Major League Baseball players. All players, managers, coaches, and athletic trainers who hold or have held a signed contract with a Major League club are eligible for membership in the Association.
The Seitz decision was a ruling by arbitrator Peter Seitz (1905–1983) on December 23, 1975, which declared that Major League Baseball (MLB) players became free agents upon playing one year for their team without a contract, effectively nullifying baseball's reserve clause. The ruling was issued in regard to pitchers Andy Messersmith and Dave McNally.
The 1990 Major League Baseball lockout was the seventh work stoppage in baseball and, at the time, the second-longest since 1972. Beginning in February, the lockout lasted 32 days, virtually wiping out spring training, moving Opening Day back a week to April 9 and extending the season three days to accommodate the normal 162-game schedule.
The 2022 Cleveland Guardians season was the 122nd season for the franchise. This was the team's first season as the Cleveland Guardians, following the franchise's name change in light of the Cleveland Indians name and logo controversy. The team opened their regular season on April 7, 2022, on the road against the Kansas City Royals, and finished the season on October 5 at home, also against the Royals.
The 2022 Kansas City Royals season was the 54th season for the franchise, and their 50th at Kauffman Stadium.
The 2022 Minnesota Twins season was the 62nd season for the Minnesota Twins franchise in the Twin Cities of Minnesota, their 13th season at Target Field and the 122nd overall in the American League. The team finished third in the American League Central with a 78–84 record.
The 2022 Oakland Athletics season was the 122nd season for the Oakland Athletics franchise, all as members of the American League. It was their 55th season in Oakland, which surpassed the amount of seasons they played in their original home of Philadelphia. On November 1, 2021, Bob Melvin was hired away from the A's by the San Diego Padres for their manager position. Mark Kotsay was named as Melvin's successor on December 21, 2021.
The 2022 Texas Rangers season was the 62nd of the Texas Rangers franchise overall, their 51st in Arlington as the Rangers, and the third season at Globe Life Field. As the club's 51st season in Arlington, the 2022 season also marked the 50th anniversary of the team's first season as the Texas Rangers in 1972.
The Miami Marlins' 2022 season was the 30th season for the Major League Baseball (MLB) franchise in the National League and the 11th as the Miami Marlins. The Marlins played their home games at LoanDepot Park as members of the National League East.
The 2022 Pittsburgh Pirates season was the franchise's 141st season overall, 136th season as a member of the National League, and 22nd season at PNC Park.
The 2022 Arizona Diamondbacks season was the franchise's 25th season in Major League Baseball and their 25th season at Chase Field in Phoenix, Arizona as members of the National League West. They were managed by Torey Lovullo in his sixth season with the franchise.
The 2022 Colorado Rockies season was the 30th in Major League Baseball. It was their 28th season at Coors Field. Manager Bud Black returned for his sixth season with the Rockies in 2022.
The 2022 San Diego Padres season was the 54th season of the San Diego Padres franchise. The Padres play their home games at Petco Park as members of Major League Baseball's National League West.
The 2022 Seattle Mariners season was the 46th season in franchise history. The Mariners played their 23rd full season at T-Mobile Park, their home ballpark in Seattle, Washington. The Mariners finished the regular season at 90–72, equaling their record from 2021, and successfully reached the postseason for the first time since 2001.
The 2022 St. Louis Cardinals season was the 141st for the St. Louis Cardinals, a Major League Baseball franchise in St. Louis, Missouri. It was the 131st season for the Cardinals in the National League and their 17th at Busch Stadium III. They were managed by first-year manager Oliver Marmol. The season saw the return of Albert Pujols, a former Cardinals star player. Pujols and longtime catcher Yadier Molina announced that the 2022 season would be their last.
The 2022 San Francisco Giants season was the 140th season for the franchise in Major League Baseball, their 65th year in San Francisco, and their 23rd at Oracle Park. This was the third season under manager Gabe Kapler and also the first season since 2008 without longtime catcher Buster Posey, who retired the previous November.
The 2022 Tampa Bay Rays season was the 25th season of the Tampa Bay Rays franchise and their 15th as the Rays. The Rays played their home games at Tropicana Field as members of Major League Baseball's American League East.
The 2022 Atlanta Braves season was the 152nd season of the Atlanta Braves franchise, the 57th in Atlanta, and the Braves' sixth season at Truist Park. The Braves were managed by Brian Snitker, in his seventh season as the team’s manager.
The 2021–22 Major League Baseball lockout was the ninth work stoppage in Major League Baseball (MLB) history. It began at 12:01 a.m. EST on December 2, 2021, after MLB owners voted unanimously to enact a lockout upon the expiration of the 2016 collective bargaining agreement (CBA) between the league and the Major League Baseball Players Association (MLBPA). It ended on March 10, 2022, with the signing of a new agreement. Issues raised between the league and union involved compensation for young players and limitations on tanking to receive higher selections in the MLB draft.
The 1976 Major League Baseball lockout occurred from March 1 to March 17. The lockout was instituted after the expiration of the league's Basic Agreement. A primary issue addressed during lockout negotiations was the longstanding reserve clause and the players' desire to become free agents. The lockout did not result in any regular season games being canceled.
Baseball, Organized labor 
