Barry Bonds set the single season home run record with 73 home runs in 2001.
As of the 2008 season, Ichiro Suzuki of the Seattle Mariners holds the MLB record for base hits in a season with 262 in 2004.
If you're talking about the Modern Era (1900 to present) then it would be Roger Maris.
Ted Williams, with 145 RBIs in his rookie year, holds the record.
Cleveland Spiders has the worst season record, having 20 wins and 134 losses
Hack Wilson holds the MLB single season RBI record with 191 in 1930 when he played with the Chiacgo Cubs.
Sandy Koufax had 11 shutouts in 1963 for the Dodgers.
In 2004, Ichiro Suzuki hit a record 225 singles.
Finishing 6th in the National League Central division of Major League Baseball (MLB), the Pittsburgh Pirates recorded a 2010 regular season record of 57 wins and 105 losses.
The chicago cubs
According to numbers published by the Major League Baseball Players Association, the average player salary in 1969 was $24,909. The league minimum that season was $10,000.
The 1906 Chicago Cubs and the 2001 Seattle Mariners hold the MLB record for wins in the regular season with 116.
Mariners outfielder Ichiro Suzuki set the record during the 2004 season.
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.
The 1906 Chicago Cubs hold the National League record for wins during a regular season with 116. This is also the MLB record, shared with the 2001 Seattle Mariners.
The 2003 Chicago Cubs got 1,025 strikeouts in one season.
Earl Webb hit 67 Doubles back in 1931
w L 95 67
John Coleman 48 in 1883
counting post season play the Yankees hold that record with 125 wins in 1998Yankees 106
Lou Gehrig of the New York Yankees holds American League record for RBIs in a single season with 184 in 1931.