MLB 打者上壘率若能達到45%，可說是非常漂亮的的頂尖數據，有時候
整季還沒有人達到； 50%+可說是恐怖的打者，算是數十年一見的怪物
等級； 60%+ 的上壘率，已經不知道要怎麼形容了，已經超越神獸了。
BB爺是歷史最強(包辦歷史前二高)，單季第三高則是1941年 Ted Williams
的55.28%，貝比魯斯也有接近的表現。
上壘率 Year 1990年後 上壘率45%+名單
60.94% 2004 Barry Bonds
58.17% 2002 Barry Bonds
52.91% 2003 Barry Bonds
51.51% 2001 Barry Bonds
48.74% 1994 Frank Thomas
47.89% 1995 Edgar Martinez
47.69% 2001 Jason Giambi
47.59% 2000 Jason Giambi
47.28% 1993 John Olerud
47.00% 2008 Chipper Jones
46.99% 1998 Mark McGwire
46.98% 2000 Carlos Delgado
46.85% 2004 Todd Helton
46.72% 1996 Mark McGwire
46.53% 1996 Gary Sheffield
46.37% 1996 Edgar Martinez
46.34% 2000 Todd Helton
46.18% 2008 Albert Pujols
46.07% 1996 Barry Bonds
46.05% 1994 Paul O'Neill
46.02% 2015 Bryce Harper
45.92% 1996 Frank Thomas
45.90% 2015 Joey Votto
45.85% 1993 Barry Bonds
45.81% 1999 Larry Walker
45.80% 2003 Todd Helton
45.68% 2000 Manny Ramirez
45.61% 1997 Frank Thomas
45.59% 1992 Barry Bonds
45.58% 1997 Edgar Martinez
45.44% 1995 Frank Thomas
45.40% 1999 Jeff Bagwell
45.36% 1994 Tony Gwynn
45.29% 1991 Frank Thomas
45.18% 1997 Larry Walker
45.09% 1994 Jeff Bagwell
45.06% 1996 Jeff Bagwell
45.03% 2002 Brian Giles