The team with the worst winning percentage in the history of MLB -- the 1899 Cleveland Spiders -- still managed to win 20 games out of the 154 they played that year. This dismal .130 winning percentage is so bad that it is extremely unlikely that any MLB team will do worse. The 1916 Philadelphia Athletics -- the third worst team in MLB history -- had a .235 winning percentage, 100 points better than the Spiders.
Barry Bonds who uses steroids
Barry Bonds set the single season home run record with 73 home runs in 2001.
73 home runs. Barry Bonds hit them in 2001.
If you're talking about the Modern Era (1900 to present) then it would be Roger Maris.
1998 Mark McGwire Baseball Single-season home run record1998 Sammy Sosa Baseball National League MVP
mccutchen,a.jones,konerko
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.
1906 Chicago Cubs and 2001 Seattle Mariners each won 116 games in the regular season.
AL - Seattle, 1997, 264 HRs NL - Houston, 2000, 249 HRs
Barry Bonds holds the major league records for career home runs (762) and for a single season (73 in 2001).
Adam Dunn
Bobby Cox of the Atlanta Braves and Joe McCarthy of the New York Yankees with 6 each.