There are now 4 in MLB ...
1) Babe Ruth (born February 6, 1895) on May 25, 1935 against the Pittsburgh Pirates. These were the last 3 home runs of his MLB career.
2) Stan Musial (born November 21, 1920) on July 8, 1962 against the New York Mets.
3) Reggie Jackson (born May 18, 1946) on September 18, 1986 against the Kansas City Royals.
4) Jason Giambi (born January 8, 1971) on May 19, 2011 agaainst the Philadelphia Phillies.
Second basemen Rogers Hornsby and Davey Johnson both hit 42 home runs in a season; in 1922 and 1973, respectively.
The major league pitcher with the highest ERA in a single season who pitched 100 or more innings was Bill Chamberlain. He recorded an ERA of 7.74 in the 1893 season while playing for the St. Louis Browns.
Through the 2009 season, the Milwaukee Brewers have won 3,089 games while losing 3,420, including their single season as the Seattle Pilots of the American League, giving them a .475 winning percentage over 41 seasons. Since moving to Milwaukee, the team went 2,136-2,269 (.485) in 28 seasons in the American League. They are currently 889-1,053 (.458) in the National League.
73 home runs. Barry Bonds hit them in 2001.
Barry Bonds set the single season home run record with 73 home runs in 2001.
Lionel Messi holds the record for scoring the most goals in a single season in the Champions League.
Sergio Agero holds the record for the most Premier League hat tricks in a single season.
The Premier League record points total achieved by a team in a single season is 100 points, achieved by Manchester City in the 2017-2018 season.
The record for the most points earned by a team in a single Premier League season is 100 points, achieved by Manchester City in the 2017-2018 season.
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.
Second basemen Rogers Hornsby and Davey Johnson both hit 42 home runs in a season; in 1922 and 1973, respectively.
1998 Mark McGwire Baseball Single-season home run record1998 Sammy Sosa Baseball National League MVP
The team that holds the record for scoring the most goals in a single season in the UEFA Champions League is FC Barcelona.
Adam Dunn
The most ties recorded in a single NFL season is three, which has happened multiple times in league history.
That is Lou Gehrig with 184 RBIs in the 1931 season.
Teddy Sherringham currently holds the record for the most league goals in a single season, being a total of 21 goals.He achieved this in the inaugural 1992 - 1993 Premier League Season.