The 1899 Cleveland Spiders of the National League hold the Major League Baseball (MLB) record for worst regular season record (of all eras) with a record of 20-134, giving them a winning percentage of .130.
In 1899, the Cleveland Spiders also set major league records for most consecutive losses in a season (24, from July 26 to September 16), most losses in a month (27 in July), and had 6 double-digit losing streaks. They lost 40 of their last 41 games.
Cleveland Spiders has the worst season record, having 20 wins and 134 losses
Tigers blow a 13-6 lead and end up losing 14-13 to the A's.
John Coleman 48 in 1883
Career and Single Season RBI LeadersHank Wilson of the Chicago Cubs holds the major League record for RBIs in a single season with 191 hit in 1930. New York Yankees, Lou Gehrig holds the American League record for RBIs in a single season with 184 in 1931. Hank Aaron holds the Major League record for career RBIs with 2,297 and the National League record with 2,202. Babe Ruth is second in career RBIs with 2,218, and hold the American League career RBI record with 2,201.
Barry Bonds who uses steroids
As of the start of the 2008 season, the MLB record for being struckout is held by Reggie Jackson with 2,597.
Rickey Henderson, who was inducted into the Baseball Hall of Fame in 2009, holds the major league record for career steals with 1,406. He also holds the record for most stolen bases in a season with 130 in 1982.
Marseille is the French league club that holds the record for the best defense in a season having conceded 21 goals in the 1991/1992 season.
If you're talking about the Modern Era (1900 to present) then it would be Roger Maris.
Barry Bonds set the single season home run record with 73 home runs in 2001.
Barry Bonds of the San Francisco Giants hit a record 73 home runs during the 2001 season. He also holds the record for career home runs with 762.
Lou Gehrig holds the American League single season record for RBIs with 184 in 1931.
Sandy Koufax had 11 shutouts in 1963 for the Dodgers.