how did buster posey get injured in 2011

Buster Posey had a batting average of .284 with 46 hits, 4 home runs, 21 RBIs and 17 runs scored in 45 games in 2011.

		NAME	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1		Buster Posey B. Posey	2011	SFG	45	162	17	46	5	0	4	21	18	4	30	3	0	185	63	9	0	1	3	4	.284	.368	.389	.756	24	2.8	.335	116	3.4

Games

	NAME	DATE	SEASON	TM		OPP	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP
1	Buster Posey B. Posey	5/25/2011	2011	SFG	vs	FLA	5	0	1	0	0	0	0	0	0	1	0	0	5	1	0	0	0	0	0
2	Buster Posey B. Posey	5/24/2011	2011	SFG	vs	FLA	4	1	2	0	0	0	0	0	0	1	0	0	4	2	0	0	0	0	0
3	Buster Posey B. Posey	5/22/2011	2011	SFG	vs	OAK	5	1	1	0	0	0	0	1	0	0	0	0	6	1	0	0	0	1	0
4	Buster Posey B. Posey	5/21/2011	2011	SFG	vs	OAK	4	1	2	1	0	0	1	0	0	0	0	0	4	3	1	0	0	0	0
5	Buster Posey B. Posey	5/20/2011	2011	SFG	vs	OAK	3	0	1	1	0	0	0	1	0	1	0	0	4	2	1	0	0	0	0
6	Buster Posey B. Posey	5/19/2011	2011	SFG	@	LAD	3	1	1	1	0	0	0	1	1	1	0	0	5	2	1	0	0	0	0
7	Buster Posey B. Posey	5/18/2011	2011	SFG	@	LAD	5	0	2	0	0	0	0	0	0	1	0	0	5	2	0	0	0	0	0
8	Buster Posey B. Posey	5/17/2011	2011	SFG	@	COL	4	1	2	0	0	0	0	0	0	0	0	0	4	2	0	0	0	0	0
9	Buster Posey B. Posey	5/16/2011	2011	SFG	@	COL	4	0	2	0	0	0	0	0	0	0	0	0	4	2	0	0	0	0	1
10	Buster Posey B. Posey	5/14/2011	2011	SFG	@	CHC	2	0	1	0	0	0	1	1	0	0	0	0	3	1	0	0	0	0	0
11	Buster Posey B. Posey	5/13/2011	2011	SFG	@	CHC	4	0	2	0	0	0	0	0	0	2	0	0	4	2	0	0	0	0	0
12	Buster Posey B. Posey	5/11/2011	2011	SFG	vs	ARI	4	1	1	0	0	0	0	0	0	1	0	0	4	1	0	0	0	0	0
13	Buster Posey B. Posey	5/10/2011	2011	SFG	vs	ARI	3	0	1	0	0	0	0	1	0	0	0	0	4	1	0	0	0	0	0
14	Buster Posey B. Posey	5/8/2011	2011	SFG	vs	COL	2	1	0	0	0	0	0	2	0	0	0	0	4	0	0	0	0	0	0
15	Buster Posey B. Posey	5/7/2011	2011	SFG	vs	COL	2	0	0	0	0	0	1	2	0	0	0	0	4	0	0	0	0	1	0
16	Buster Posey B. Posey	5/6/2011	2011	SFG	vs	COL	3	1	1	0	0	0	1	1	0	1	0	0	4	1	0	0	0	0	0
17	Buster Posey B. Posey	5/5/2011	2011	SFG	@	NYM	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
18	Buster Posey B. Posey	5/4/2011	2011	SFG	@	NYM	5	0	0	0	0	0	0	0	0	1	0	0	5	0	0	0	0	0	0
19	Buster Posey B. Posey	5/3/2011	2011	SFG	@	NYM	5	0	1	0	0	0	0	0	0	1	0	0	5	1	0	0	0	0	0
20	Buster Posey B. Posey	5/2/2011	2011	SFG	@	WSH	3	0	0	0	0	0	0	1	0	0	0	0	4	0	0	0	0	0	0
21	Buster Posey B. Posey	5/1/2011	2011	SFG	@	WSH	3	0	2	0	0	0	0	1	0	0	0	0	4	2	0	0	0	0	0
22	Buster Posey B. Posey	4/30/2011	2011	SFG	@	WSH	4	0	2	1	0	0	0	0	0	0	0	0	4	3	1	0	0	0	0
23	Buster Posey B. Posey	4/29/2011	2011	SFG	@	WSH	3	0	0	0	0	0	0	0	1	1	0	0	4	0	0	0	0	0	0
24	Buster Posey B. Posey	4/27/2011	2011	SFG	@	PIT	4	0	0	0	0	0	0	0	0	1	0	0	4	0	0	0	0	0	0
25	Buster Posey B. Posey	4/26/2011	2011	SFG	@	PIT	2	0	0	0	0	0	1	1	0	2	0	0	4	0	0	0	1	0	0
	Total						162	17	46	5	0	4	21	18	4	30	3	0	185	63	9	0	1	3	4