Batting

Pitching

Mumba Rivera

Free Agent (AA)

Age: 45

Bats/Throws: R/R

6'5" / 205

DOB: 12/10/1980

(45 years, 10 months, 22 days)

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Draft:	2004, Rd: 21, Pick: 22, Ovr: 633
Draft Team:	Seattle Mariners
School:	Bethune-Cookman

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Draft:	2004, Rd: 21, Pick: 22, Ovr: 633
Draft Team:	Seattle Mariners
School:	Bethune-Cookman

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Minor LeaguesSpring Training

Season	Team	Level	Age	W	L	SV	G	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	FIP	xFIP
2006	SEA	A+	25	5	4	0	40	77.1	7.91	4.42	1.05	.277	66.7%			4.19	5.24
2007	SEA	AA	26	4	7	6	42	56.1	11.34	6.07	2.08	.295	71.2%			5.27	5.96	4.32
2007	SEA	ST	26	0	0	0	2	2.2	10.13	10.13	3.38	.375	71.4%			10.13	9.61	5.90
2008	SEA	AA	27	5	1	11	28	32.1	9.74	3.06	0.28	.299	72.5%	40.0%	2.9%	2.51	2.71	3.39
2008	SEA	AAA	27	0	2	0	13	19.0	8.05	6.16	1.42	.305	61.7%	29.5%	10.7%	7.11	5.98	5.97
2008	SEA	MiLB	27	5	3	11	41	51.1	9.12	4.21	0.70	.301	67.7%	35.6%	6.5%	4.21	3.92	4.34
2009	SEA	AA	28	6	6	1	42	64.0	8.72	6.05	0.70	.303	70.9%	31.3%	6.6%	4.50	4.56	4.56
2010	SEA	AA	29	0	3	4	28	36.2	8.59	4.91	0.98	.257	55.6%	41.2%	8.3%	5.65	4.92	4.65
2010	SEA	AAA	29	0	1	0	11	14.2	4.91	2.45	0.61	.234	84.3%	30.4%	5.0%	2.45	4.61	5.46
2010	SEA	MiLB	29	0	4	4	39	51.1	7.54	4.21	0.88	.250	62.7%	37.8%	7.4%	4.73	4.83	4.88

Season	Team	Level	Age	W	L	SV	G	IP	K/9	BB/9	HR/9	BABIP	LOB%	GB%	HR/FB	ERA	FIP	xFIP
2006	SEA	A+	25	5	4	0	40	77.1	7.91	4.42	1.05	.277	66.7%			4.19	5.24
2007	SEA	AA	26	4	7	6	42	56.1	11.34	6.07	2.08	.295	71.2%			5.27	5.96	4.32
2007	SEA	ST	26	0	0	0	2	2.2	10.13	10.13	3.38	.375	71.4%			10.13	9.61	5.90
2008	SEA	AA	27	5	1	11	28	32.1	9.74	3.06	0.28	.299	72.5%	40.0%	2.9%	2.51	2.71	3.39
2008	SEA	AAA	27	0	2	0	13	19.0	8.05	6.16	1.42	.305	61.7%	29.5%	10.7%	7.11	5.98	5.97
2008	SEA	MiLB	27	5	3	11	41	51.1	9.12	4.21	0.70	.301	67.7%	35.6%	6.5%	4.21	3.92	4.34
2009	SEA	AA	28	6	6	1	42	64.0	8.72	6.05	0.70	.303	70.9%	31.3%	6.6%	4.50	4.56	4.56
2010	SEA	AA	29	0	3	4	28	36.2	8.59	4.91	0.98	.257	55.6%	41.2%	8.3%	5.65	4.92	4.65
2010	SEA	AAA	29	0	1	0	11	14.2	4.91	2.45	0.61	.234	84.3%	30.4%	5.0%	2.45	4.61	5.46
2010	SEA	MiLB	29	0	4	4	39	51.1	7.54	4.21	0.88	.250	62.7%	37.8%	7.4%	4.73	4.83	4.88

Minor LeaguesSpring Training

Season	Team	Level	W	L	ERA	G	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2006	SEA	A+	5	4	4.19	40	0	6	4	77.1	335	68	46	36	9	38	1	7	2	0	68
2007	SEA	AA	4	7	5.27	42	6	5	10	56.1	263	54	40	33	13	38	1	2	12	0	71
2007	SEA	ST	0	0	10.13	2	0	1	0	2.2	15	4	3	3	1	3	0	0	1	0	3
2008	SEA	AA	5	1	2.51	28	11	0	1	32.1	136	27	12	9	1	11	1	2	1	0	35
2008	SEA	AAA	0	2	7.11	13	0	2	2	19.0	93	21	16	15	3	13	0	1	2	0	17
2008	SEA	MiLB	5	3	4.21	41	11	2	3	51.1	229	48	28	24	4	24	1	3	3	0	52
2009	SEA	AA	6	6	4.50	42	1	3	2	64.0	296	59	37	32	5	43	2	8	9	1	62
2010	SEA	AA	0	3	5.65	28	4	2	3	36.2	169	31	28	23	4	20	1	5	6	0	35
2010	SEA	AAA	0	1	2.45	11	0	0	0	14.2	62	12	4	4	1	4	1	2	2	0	8
2010	SEA	MiLB	0	4	4.73	39	4	2	3	51.1	231	43	32	27	5	24	2	7	8	0	43

Season	Team	Level	W	L	ERA	G	SV	HLD	BS	IP	TBF	H	R	ER	HR	BB	IBB	HBP	WP	BK	SO
2006	SEA	A+	5	4	4.19	40	0	6	4	77.1	335	68	46	36	9	38	1	7	2	0	68
2007	SEA	AA	4	7	5.27	42	6	5	10	56.1	263	54	40	33	13	38	1	2	12	0	71
2007	SEA	ST	0	0	10.13	2	0	1	0	2.2	15	4	3	3	1	3	0	0	1	0	3
2008	SEA	AA	5	1	2.51	28	11	0	1	32.1	136	27	12	9	1	11	1	2	1	0	35
2008	SEA	AAA	0	2	7.11	13	0	2	2	19.0	93	21	16	15	3	13	0	1	2	0	17
2008	SEA	MiLB	5	3	4.21	41	11	2	3	51.1	229	48	28	24	4	24	1	3	3	0	52
2009	SEA	AA	6	6	4.50	42	1	3	2	64.0	296	59	37	32	5	43	2	8	9	1	62
2010	SEA	AA	0	3	5.65	28	4	2	3	36.2	169	31	28	23	4	20	1	5	6	0	35
2010	SEA	AAA	0	1	2.45	11	0	0	0	14.2	62	12	4	4	1	4	1	2	2	0	8
2010	SEA	MiLB	0	4	4.73	39	4	2	3	51.1	231	43	32	27	5	24	2	7	8	0	43

Minor LeaguesSpring TrainingAverages

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2006	SEA	A+	7.91	4.42	1.79	1.05	20.3%	11.3%	9.0%	.234	1.37	.277	66.7%	95	117	5.24
2007	SEA	AA	11.34	6.07	1.87	2.08	27.0%	14.4%	12.5%	.242	1.63	.295	71.2%	126	146	5.96
2007	SEA	ST	10.13	10.13	1.00	3.38	20.0%	20.0%	0.0%	.333	2.63	.375	71.4%	198	196	9.61
2008	SEA	AA	9.74	3.06	3.18	0.28	25.7%	8.1%	17.6%	.220	1.18	.299	72.5%	58	64	2.71
2008	SEA	AAA	8.05	6.16	1.31	1.42	18.3%	14.0%	4.3%	.266	1.79	.305	61.7%	155	128	5.98
2008	SEA	MiLB	9.12	4.21	2.17	0.70	22.7%	10.5%	12.2%	.238	1.40	.301	67.7%	94	88	3.92
2009	SEA	AA	8.72	6.05	1.44	0.70	20.9%	14.5%	6.4%	.241	1.59	.303	70.9%	114	119	4.56
2010	SEA	AA	8.59	4.91	1.75	0.98	20.7%	11.8%	8.9%	.215	1.39	.257	55.6%	138	124	4.92
2010	SEA	AAA	4.91	2.45	2.00	0.61	12.9%	6.5%	6.5%	.214	1.09	.234	84.3%	55	99	4.61
2010	SEA	MiLB	7.54	4.21	1.79	0.88	18.6%	10.4%	8.2%	.215	1.31	.250	62.7%	114	117	4.83

Season	Team	Level	K/9	BB/9	K/BB	HR/9	K%	BB%	K-BB%	AVG	WHIP	BABIP	LOB%	ERA-	FIP-	FIP
2006	SEA	A+	7.91	4.42	1.79	1.05	20.3%	11.3%	9.0%	.234	1.37	.277	66.7%	95	117	5.24
2007	SEA	AA	11.34	6.07	1.87	2.08	27.0%	14.4%	12.5%	.242	1.63	.295	71.2%	126	146	5.96
2007	SEA	ST	10.13	10.13	1.00	3.38	20.0%	20.0%	0.0%	.333	2.63	.375	71.4%	198	196	9.61
2008	SEA	AA	9.74	3.06	3.18	0.28	25.7%	8.1%	17.6%	.220	1.18	.299	72.5%	58	64	2.71
2008	SEA	AAA	8.05	6.16	1.31	1.42	18.3%	14.0%	4.3%	.266	1.79	.305	61.7%	155	128	5.98
2008	SEA	MiLB	9.12	4.21	2.17	0.70	22.7%	10.5%	12.2%	.238	1.40	.301	67.7%	94	88	3.92
2009	SEA	AA	8.72	6.05	1.44	0.70	20.9%	14.5%	6.4%	.241	1.59	.303	70.9%	114	119	4.56
2010	SEA	AA	8.59	4.91	1.75	0.98	20.7%	11.8%	8.9%	.215	1.39	.257	55.6%	138	124	4.92
2010	SEA	AAA	4.91	2.45	2.00	0.61	12.9%	6.5%	6.5%	.214	1.09	.234	84.3%	55	99	4.61
2010	SEA	MiLB	7.54	4.21	1.79	0.88	18.6%	10.4%	8.2%	.215	1.31	.250	62.7%	114	117	4.83

Minor LeaguesSpring Training

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2007	SEA	AA											4.32
2007	SEA	ST											5.90
2008	SEA	AA	1.00	20.0%	40.0%	40.0%	26.5%	2.9%	47.1%	19.5%	33.3%	81	3.39
2008	SEA	AAA	0.64	24.6%	29.5%	45.9%	17.9%	10.7%	37.1%	27.4%	35.5%	123	5.97
2008	SEA	MiLB	0.84	21.9%	35.6%	42.5%	22.6%	6.5%	43.0%	22.8%	34.2%	96	4.34
2009	SEA	AA	0.72	25.6%	31.3%	43.2%	27.6%	6.6%	42.0%	25.4%	32.6%	119	4.56
2010	SEA	AA	0.88	11.8%	41.2%	47.1%	29.2%	8.3%	44.9%	20.6%	34.6%	116	4.65
2010	SEA	AAA	0.70	26.1%	30.4%	43.5%	25.0%	5.0%	43.5%	30.4%	26.1%	114	5.46
2010	SEA	MiLB	0.82	16.2%	37.8%	45.9%	27.9%	7.4%	44.4%	23.5%	32.0%	116	4.88

Season	Team	Level	GB/FB	LD%	GB%	FB%	IFFB%	HR/FB	Pull%	Cent%	Oppo%	xFIP-	xFIP
2007	SEA	AA											4.32
2007	SEA	ST											5.90
2008	SEA	AA	1.00	20.0%	40.0%	40.0%	26.5%	2.9%	47.1%	19.5%	33.3%	81	3.39
2008	SEA	AAA	0.64	24.6%	29.5%	45.9%	17.9%	10.7%	37.1%	27.4%	35.5%	123	5.97
2008	SEA	MiLB	0.84	21.9%	35.6%	42.5%	22.6%	6.5%	43.0%	22.8%	34.2%	96	4.34
2009	SEA	AA	0.72	25.6%	31.3%	43.2%	27.6%	6.6%	42.0%	25.4%	32.6%	119	4.56
2010	SEA	AA	0.88	11.8%	41.2%	47.1%	29.2%	8.3%	44.9%	20.6%	34.6%	116	4.65
2010	SEA	AAA	0.70	26.1%	30.4%	43.5%	25.0%	5.0%	43.5%	30.4%	26.1%	114	5.46
2010	SEA	MiLB	0.82	16.2%	37.8%	45.9%	27.9%	7.4%	44.4%	23.5%	32.0%	116	4.88

Minor LeaguesSpring Training

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches
2008	SEA	AA	34	34	17	9	64	203	267
2008	SEA	AAA	18	28	15	5	145	197	342
2008	SEA	MiLB	52	62	32	14	209	400	609
2009	SEA	AA	55	76	45	21	477	718	1195
2010	SEA	AA	42	48	12	14	258	391	649
2010	SEA	AAA	14	20	12	5	78	129	207
2010	SEA	MiLB	56	68	24	19	336	520	856

Season	Team	Level	GB	FB	LD	IFFB	Balls	Strikes	Pitches
2008	SEA	AA	34	34	17	9	64	203	267
2008	SEA	AAA	18	28	15	5	145	197	342
2008	SEA	MiLB	52	62	32	14	209	400	609
2009	SEA	AA	55	76	45	21	477	718	1195
2010	SEA	AA	42	48	12	14	258	391	649
2010	SEA	AAA	14	20	12	5	78	129	207
2010	SEA	MiLB	56	68	24	19	336	520	856

MLB F-Strike%, SwStr%, CStr%, CSW% are from the Sports Info Solution data source.
All MiLB and Pace data are from Statcast.

Minor LeaguesSpring TrainingAverages

Season	Team	Level	Swing%	Contact%	F-Strike%	SwStr%	CStr%	CSW%
2008	SEA	AA	69.7%	48.9%	27.9%	35.6%	6.4%	41.9%
2008	SEA	AAA	43.6%	79.2%	33.3%	9.1%	13.7%	22.8%
2008	SEA	MiLB	55.0%	62.4%	30.1%	20.7%	10.5%	31.2%
2009	SEA	AA	46.0%	72.7%	44.9%	12.6%	14.0%	26.5%
2010	SEA	AA	44.7%	73.4%	46.2%	11.9%	15.1%	27.0%
2010	SEA	AAA	50.7%	80.0%	24.2%	10.1%	11.1%	21.3%
2010	SEA	MiLB	46.1%	75.2%	40.3%	11.4%	14.1%	25.6%

Season	Team	Level	Swing%	Contact%	F-Strike%	SwStr%	CStr%	CSW%
2008	SEA	AA	69.7%	48.9%	27.9%	35.6%	6.4%	41.9%
2008	SEA	AAA	43.6%	79.2%	33.3%	9.1%	13.7%	22.8%
2008	SEA	MiLB	55.0%	62.4%	30.1%	20.7%	10.5%	31.2%
2009	SEA	AA	46.0%	72.7%	44.9%	12.6%	14.0%	26.5%
2010	SEA	AA	44.7%	73.4%	46.2%	11.9%	15.1%	27.0%
2010	SEA	AAA	50.7%	80.0%	24.2%	10.1%	11.1%	21.3%
2010	SEA	MiLB	46.1%	75.2%	40.3%	11.4%	14.1%	25.6%

Minor LeaguesSpring Training

Season	Team	Level	Pos	G	Inn	PO	A	E
2006	SEA	A+	P	40	77.1	4	14	1
2007	SEA	AA	P	42	56.1	6	6	2
2008	SEA	AA	P	28	32.1	2	0	1
2008	SEA	AAA	P	13	19.0	3	0	1
2009	SEA	AA	P	42	64.0	6	6	0
2010	SEA	AA	P	28	36.2	5	3	0
2010	SEA	AAA	P	11	14.2	1	1	0

Season	Team	Level	Pos	G	Inn	PO	A	E
2006	SEA	A+	P	40	77.1	4	14	1
2007	SEA	AA	P	42	56.1	6	6	2
2008	SEA	AA	P	28	32.1	2	0	1
2008	SEA	AAA	P	13	19.0	3	0	1
2009	SEA	AA	P	42	64.0	6	6	0
2010	SEA	AA	P	28	36.2	5	3	0
2010	SEA	AAA	P	11	14.2	1	1	0

Mumba Rivera

Stats

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Plate Discipline - Statcast

Fielding

BAL	CHW	ATH
BOS	CLE	HOU
NYY	DET	LAA
TBR	KCR	SEA
TOR	MIN	TEX

ATL	CHC	ARI
MIA	CIN	COL
NYM	MIL	LAD
PHI	PIT	SDP
WSN	STL	SFG