Below are the stats of MLB players that lead all of baseball in something. (Accurate as of 1:00p.m. on September 17, 2011). They are broken down into Hitting and Pitching, but not into NL or AL:
MLB LEADERS (AL and NL)- HITTING
Most Games Played-Prince Fielder (151)
Most At-Bats-Starlin Castro (631)
Most Hits-Adrian Gonzalez (198)
Most Triples-Jose Reyes (16)
Most Home Runs-Jose Bautista (42)
Most RBI’s-Ryan Howard (113)
Most Base On Balls-Jose Bautista (121)
Most Strikeouts-Drew Stubbs (193)
Most Stolen Bases-Michael Bourn (55)
Most Caught Stealing-Juan Pierre (14)
Most Intentional Base On Balls-Prince Fielder (29)
Most Hit By Pitch-Carlos Quentin (23)
Most Sacrifice Flies-Adam Jones (12)
Most Total Bases-Jacoby Ellsbury (326)
Most Extra Base Hits-Robinson Cano (76)
Most Grounded Into Double Plays-Albert Pujols (29)
Most Ground Outs-Ichiro Suzuki (262)
Most Air Outs-Ian Kinsler (220)
Most Number Of Pitches Faced-Curtis Granderson (2,888)
Most Plate Appearances-Ian Kinsler (677)
MLB LEADERS (AL and NL)- PITCHING
Most Wins-Justin Verlander (23)
Most Losses-Jeremy Guthrie (17)
Most Games Pitched-Jonny Venters (80)
Most Saves-Jose Valverde (45)
Most Innings Pitched-Justin Verlander (236)
Most Hits Allowed-Carl Pavano (242)
Most Unearned Runs Allowed-Fausto Carmona (118)
Most Earned Runs Allowed-Bronson Arroyo (108)
Most Home Runs Allowed-Bronson Arroyo (44)
Most Srikeouts-Justin Verlander (238)
Most Complete Games-James Shields (11)
Most Shutouts-Cliff Lee (6)
Most Hit Batsmen-Jonathan Lackey (19)
Most Games Finished-Jose Valverde (65)
Most Groundouts Achieved-Jake Westbrook (278)
Most Wild Pitches-A.J. Burnett (25)
Most Stolen Bases Allowed-Ted Lilly (33)
Most Pickoffs-James Shields (11)
Most Batters Faced-C.C. Sabathia (955)
Most Pitches Thrown-Justin Verlander (3,705)
The Unbiased MLB Fan 