Since 1961
2007-Alex Rodriguez, New York Yankees, 30
2006-David Ortiz, Boston, 31
2006-Jim Thome, Chicago White Sox, 30
2003-Barry Bonds, San Francisco, 30
2001-Barry Bonds, San Francisco, 39
2001-Luis Gonzalez, Arizona, 35
2000-Mark McGwire, St. Louis, 30
1999-Sammy Sosa, Chicago Cubs, 32
1999-Jose Canseco, Tampa Bay, 31
1998-Mark McGwire, St. Louis, 37
1998-Ken Griffey Jr., Seattle, 35
1998-Sammy Sosa, Chicago Cubs, 33
1998-Greg Vaughn, San Diego, 30
1997-Mark McGwire, Oakland, 31
1997-Ken Griffey Jr., Seattle, 30
1996-Brady Anderson, Baltimore, 30
1994-Ken Griffey Jr., Seattle 33
1994-Matt Williams, San Francisco, 33
1994-Frank Thomas, Chicago White Sox, 32
1989-Kevin Mitchell, San Francisco, 31
1987-Mark McGwire, Oakland, 33
1976-Mike Schmidt, Philadelphia, 31
1976-Dave Kingman, New York Mets, 30
1973-Willie Stargell, Pittsburgh, 30
1971-Willie Stargell, Pittsburgh, 30
1969-Reggie Jackson, Oakland, 37
1969-Frank Howard, Washington, 34
1969-Willie McCovey, San Francisco, 30
1964-Harmon Killebrew, Minnesota, 30
1961-Roger Maris, New York Yankees, 33

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