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.
Pitcher: Amos Rusie of the 1890 New York Giants walked 289 batters.Batter: Barry Bonds of the 2004 San Francisco Giants walked 232 times.
Rickey Henderson, who else? Stole third 34 times in his record setting season 1982.
Mark Eaton holds the record for most blocks in a season with 456 during the 1984-1985 season.
David Robinson holds the record with 207 blocks in a season.
Ben Roethlisberger holds the Steeler record for most completions in a season with 337 in 2009.
Rasheed Wallace holds most in a season,
Sandy Alomar holds the record for most postseason RBIs in a single season with 19, set in 1997.
LaDanian Tomlinson holds the NFL records for most rushing TDs in a season, with 28 during the 2006 season (he also holds the record for most total TDs in a season, with 31, accomplished the same year).
Richard Petty holds the record with 27 wins in the 1967 season.