If you're talking about the Modern Era (1900 to present) then it would be Roger Maris.
Pete Rose
Mickey mantle
Barry Bonds set the single season home run record with 73 home runs in 2001.
Tommy Lasorda
The major league record for most hits by a player in a doubleheader is nine, first set by Fred Carroll in the American Association in 1886. The record has since been matched by eight other players, four in the National League and four in the American League.
lou gehrig
Rickey Henderson with 130 steals.
Barry Bonds. But IMO, he used steroids and his record should not count.
major league baseball for the most career innings?
That is Ty Cobb who hit .366 (.3664) during a 24 year career from 1905-1928.
Rickey Henderson, with 1,406, shattering the old record of 938 set by Lou Brock
Ted Williams, with 145 RBIs in his rookie year, holds the record.