11. 2001 Home Run rates: Bonds breaks HR record ... 3 years after McGwire.

AB: At Bats

HR: Home Runs
MLB: Major League Baseball: both American League and National League
Home Run Rate: AB/HR (lower is better)
N: number of MLB teams that season
Top home run hitters: N hitters with the most HR, plus any ties at the bottom
Home Run Rate MLB: for N hitters: total AB / total HR
Home Run Rate hitters: AB/HR
Dif: Home Run Rate hitter - Home Run Rate MLB
PctDif: Dif/Home Run Rate MLB
HR#: rank among N hitters for HR
PctDif#: rank among N hitters for PctDif
Hitters are ranked by relative position: 1, 2, 3, ... Ties would have the same number and then rank number would resume. For example, if four players are tied at third place: 1, 2, 3, 3, 3, 3, 7, 8, ...

Barry Bonds led in PctDif in 2000 with 30.25% on 49 home runs in 480 AB. Sammy Sosa led in home runs with 50 in 604 AB; PctDif# 6, PctDif 13.99%.

In 2001 Bonds broke the three year old home run record of 70 by Mark McGwire (PctDif 49.17%) with 73 home runs in 476 AB. Astonishing no matter how enhanced his performance was. In 2001 31 batters hit at least 34 home runs. Also astonishing.

qryHomeRunsTopNyearPctDif

yearID	nameFirst	nameLast	PctDif	PctDif#	HR#	HR	AB	P_AB/HR	Group_ AB/HR	Dif	franchID	teamID	lgID
2001	Barry	Bonds	52.52%	1	1	73	476	6.520548	13.73	7.21	SFG	SFN	NL
2001	Sammy	Sosa	34.35%	2	2	64	577	9.015625	13.73	4.72	CHC	CHN	NL
2001	Luis	Gonzalez	22.20%	3	3	57	609	10.68421	13.73	3.05	ARI	ARI	NL
2001	Jim	Thome	21.83%	4	5	49	526	10.73469	13.73	3.00	CLE	CLE	AL
2001	Todd	Helton	12.77%	5	5	49	587	11.97959	13.73	1.75	COL	COL	NL
2001	Alex	Rodriguez	11.50%	6	4	52	632	12.15385	13.73	1.58	TEX	TEX	AL
2001	Shawn	Green	8.01%	7	5	49	619	12.63265	13.73	1.10	LAD	LAN	NL
2001	Rafael	Palmeiro	7.04%	8	8	47	600	12.76596	13.73	0.97	TEX	TEX	AL
2001	Manny	Ramirez	6.05%	9	10	41	529	12.90244	13.73	0.83	BOS	BOS	AL
2001	Larry	Walker	4.76%	10	15	38	497	13.07895	13.73	0.65	COL	COL	NL
2001	Richie	Sexson	3.24%	11	9	45	598	13.28889	13.73	0.44	MIL	MIL	NL
2001	Phil	Nevin	3.03%	12	10	41	546	13.31707	13.73	0.42	SDP	SDN	NL
2001	Jason	Giambi	0.36%	13	15	38	520	13.68421	13.73	0.05	OAK	OAK	AL
2001	Mike	Piazza	-1.74%	14	22	36	503	13.97222	13.73	-0.24	NYM	NYN	NL
2001	Gary	Sheffield	-4.17%	15	22	36	515	14.30556	13.73	-0.57	LAD	LAN	NL
2001	Troy	Glaus	-4.43%	16	10	41	588	14.34146	13.73	-0.61	ANA	ANA	AL
2001	Carlos	Delgado	-7.17%	17	13	39	574	14.71795	13.73	-0.98	TOR	TOR	AL
2001	Chipper	Jones	-9.61%	18	15	38	572	15.05263	13.73	-1.32	ATL	ATL	NL
2001	Juan	Gonzalez	-10.68%	19	24	35	532	15.2	13.73	-1.47	CLE	CLE	AL
2001	Jeff	Bagwell	-12.03%	20	13	39	600	15.38461	13.73	-1.65	HOU	HOU	NL
2001	Brian	Giles	-13.36%	21	18	37	576	15.56757	13.73	-1.83	PIT	PIT	NL
2001	Albert	Pujols	-16.11%	22	18	37	590	15.94595	13.73	-2.21	STL	SLN	NL
2001	Jeromy	Burnitz	-20.36%	23	25	34	562	16.52941	13.73	-2.80	MIL	MIL	NL
2001	Bret	Boone	-22.61%	24	18	37	623	16.83784	13.73	-3.10	SEA	SEA	AL
2001	Jose	Cruz	-23.57%	25	25	34	577	16.97059	13.73	-3.24	TOR	TOR	AL
2001	Lance	Berkman	-23.57%	26	25	34	577	16.97059	13.73	-3.24	HOU	HOU	NL
2001	Rich	Aurilia	-25.17%	27	18	37	636	17.18919	13.73	-3.46	SFG	SFN	NL
2001	Tino	Martinez	-26.14%	28	25	34	589	17.32353	13.73	-3.59	NYY	NYA	AL
2001	Vladimir	Guerrero	-28.29%	29	25	34	599	17.61765	13.73	-3.88	WSN	MON	NL
2001	Aramis	Ramirez	-29.14%	30	25	34	603	17.73529	13.73	-4.00	PIT	PIT	NL
2001	Andruw	Jones	-33.85%	31	25	34	625	18.38235	13.73	-4.65	ATL	ATL	NL