Ronald Bolaños

Relief Pitcher

Bats / Throws	Right / Right
Date of Birth	8/23/1996 (26)
Height, Weight	6'2", 230 lb
Hometown	Santa Cruz del Norte, CUB

2022 Season Stats

Needs more playing time to qualify

MLB Rank MLB Average

	Sv	IP	ERA	WHIP	K%	BB%	CSW%
	-	-	-	-	-	-	-

	3 Sv	44 IP	3.98 ERA	1.31 WHIP	23.7% K%	9.3% BB%	29.2% CSW%

	FB MPH	SwStr%	HC%	GB%	PLV	xERA
	-	-	-	-	-	-

	94.2 FB MPH	12.9% SwStr%	24.6% HC%	45.4% GB%	4.91 PLV	3.99 xERA

Articles

6/3/2022Starting Pitcher Streamer Rankings - 6/3 & 6/4Nick Pollack

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Stats Glossary

Overview

Show 2022 MLB Percentile | Show 2022 MLB Average

Year	Team	G	GS	IP	W	L	ERA	xERA	FIP	xFIP	WHIP	H/9	K%	BB%	BABIP	HC%	GB%	HR/9	HR/FB%	LOB%	SwStr%	CSW%	PLV
2019	SD	5	3	19.2	0	2	5.95	-	5.30	-	1.47	7.8	21.6%	13.6%	.264	-	-	1.37	-	65.9%	9.8%	26.0%	-
2020	KC	2	2	3.2	0	2	12.27	10.66	13.81	8.26	3.00	19.6	9.5%	14.3%	.462	30.0%	57.1%	4.91	50.0%	54.3%	6.8%	19.2%	4.44
2021	KC	3	0	6.1	0	0	1.42	1.56	0.88	2.78	0.95	5.7	40.0%	8.0%	.308	8.0%	46.2%	0.00	0.0%	83.3%	17.9%	33.0%	4.77
2022	KC	8	0	18.1	0	0	4.42	6.30	5.71	5.73	1.75	9.8	13.8%	13.8%	.310	29.9%	51.7%	0.98	12.5%	80.7%	9.6%	25.0%	4.55
RP MLB Percentile		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG		41	0	44.0	3	2	3.98	3.99	3.89	3.88	1.31	8.2	23.7%	9.3%	.293	24.6%	45.4%	-	12.0%	72.5%	12.9%	29.2%	4.91
4 Years		18	5	48.0	0	4	5.25	-	-	-	1.63	9.2	19.5%	13.1%	.307	20.7%	51.7%	1.31	26.9%	72.4%	10.5%	25.9%	4.58

Repertoire

Four-Seamer | 31%
Slider | 30%
Sinker | 22%
Curveball | 11%
Changeup | 5%
All Pitches

2019 2020 2021 2022 All

Show 2022 MLB Percentile | Show 2022 MLB Average

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2019	93.9	23.1%	-	-	7.5%	17.5%	25.0%	62.5%	56.3%	-	-	.250	.396	.267	-	-	-	-	-
2020	95.2	45.2%	8.3%	63.6%	6.1%	15.2%	21.2%	63.6%	51.5%	71.4%	14.3%	.444	.550	.429	100.0%	.441	.561	50.0%	2,205
2021	95.2	19.8%	36.4%	47.6%	9.5%	14.3%	23.8%	71.4%	66.7%	50.0%	50.0%	.200	.262	.250	0.0%	.061	.160	16.7%	2,196
2022	93.3	31.0%	17.0%	48.5%	5.8%	13.6%	19.4%	57.3%	52.4%	59.1%	22.7%	.217	.322	.227	0.0%	.324	.401	43.3%	2,178
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	94.2	43.4%	26.4%	49.2%	10.8%	16.8%	27.6%	64.6%	59.3%	35.7%	41.0%	.255	.346	.303	12.0%	.252	.350	28.3%	2,267

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2019	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2020	.441	.561	.432	.597	50.0%	14.3%	50.0%	36.4%	96.7	106.6	1.0	5.2	8.3	-1.6	5.9	6.3	2,205
2021	.061	.160	.076	.067	16.7%	0.0%	25.0%	16.7%	88.8	78.9	16.8	5.7	8.6	-1.8	6.0	6.6	2,196
2022	.324	.401	.339	.326	43.3%	4.5%	45.5%	33.3%	94.6	82.7	9.6	4.7	7.1	-1.8	6.0	6.6	2,178
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	.252	.350	.293	.391	28.3%	8.6%	41.1%	26.4%	90.3	88.0	18.5	4.9	9.1	-0.8	5.6	6.4	2,267

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2019	80	26	2	2	0	1	4	5	1	0	50	30	.250	.500	.396
2020	33	11	3	0	0	1	1	1	1	1	21	12	.444	.778	.550
2021	21	6	1	0	0	0	1	1	0	0	15	6	.200	.200	.262
2022	103	30	4	1	0	0	1	6	1	0	59	44	.217	.261	.322
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	265	65	9	3	0	2	15	8	1	0	174	91	.255	.429	.346

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2019	-	-	-	-	-	-	-	-	17.5%	-	-	-	-	-	-
2020	71.4%	14.3%	14.3%	0.0%	100.0%	25.0%	62.5%	12.5%	18.2%	0.0%	42.9%	0.0%	42.9%	0.0%	28.6%
2021	50.0%	0.0%	50.0%	25.0%	0.0%	50.0%	50.0%	0.0%	28.6%	0.0%	25.0%	50.0%	25.0%	0.0%	0.0%
2022	59.1%	18.2%	22.7%	13.6%	0.0%	36.4%	27.3%	36.4%	16.5%	4.5%	31.8%	18.2%	40.9%	0.0%	22.7%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	35.7%	23.3%	41.0%	12.7%	12.0%	30.8%	35.5%	33.7%	21.1%	3.5%	23.2%	32.0%	25.1%	7.6%	38.1%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2019	-	-	-	-	.250	.396	.267	.313	-	-	-	-	-	-	-
2020	50.0%	14.3%	50.0%	36.4%	.444	.550	.429	.500	.441	.561	.432	.597	96.7	106.6	1.0
2021	16.7%	0.0%	25.0%	16.7%	.200	.262	.250	.250	.061	.160	.076	.067	88.8	78.9	16.8
2022	43.3%	4.5%	45.5%	33.3%	.217	.322	.227	.227	.324	.401	.339	.326	94.6	82.7	9.6
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	28.3%	8.6%	41.1%	26.4%	.255	.346	.303	.337	.252	.350	.293	.391	90.3	88.0	18.5

Year	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	Whiff%	Swing%	Con%	O-Con%	Z-Con%	ECS%	2-Str O-Sw%	F-Str%	TF-Str%
2019	-	-	7.5%	17.5%	25.0%	62.5%	56.3%	16.7%	45.0%	83.3%	-	-	20.9%	-	61.1%	55.6%
2020	8.3%	63.6%	6.1%	15.2%	21.2%	63.6%	51.5%	12.5%	48.5%	87.5%	100.0%	86.7%	13.0%	20.0%	46.2%	30.8%
2021	36.4%	47.6%	9.5%	14.3%	23.8%	71.4%	66.7%	16.7%	57.1%	83.3%	75.0%	87.5%	0.0%	14.3%	33.3%	33.3%
2022	17.0%	48.5%	5.8%	13.6%	19.4%	57.3%	52.4%	13.3%	43.7%	86.7%	55.6%	94.4%	17.5%	12.5%	45.8%	37.5%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	26.4%	49.2%	10.8%	16.8%	27.6%	64.6%	59.3%	22.3%	47.8%	77.7%	69.6%	81.0%	21.7%	22.0%	61.2%	51.0%

Year	aLoc%	x-mLoc%	gLoc%	hiLoc%	y-mLoc%	loLoc%	heLoc%	iLoc%	oLoc%	Early%	Behind%	2-Str%	Zone%	Early BIP%	PAR%
2019	-	-	-	-	-	-	-	-	-	53.8%	23.8%	22.5%	-	18.6%	22.2%
2020	36.4%	15.2%	48.5%	21.2%	39.4%	39.4%	6.1%	45.5%	39.4%	69.7%	15.2%	15.2%	63.6%	21.7%	20.0%
2021	33.3%	33.3%	33.3%	28.6%	33.3%	38.1%	9.5%	33.3%	33.3%	42.9%	23.8%	33.3%	47.6%	11.1%	14.3%
2022	21.4%	30.1%	48.5%	34.0%	25.2%	40.8%	10.7%	24.3%	45.6%	55.3%	21.4%	23.3%	48.5%	17.5%	4.2%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	35.1%	27.4%	37.5%	48.6%	26.5%	24.9%	7.3%	29.4%	43.2%	54.7%	15.8%	29.5%	49.2%	12.9%	17.5%

Year	P	PLV	Total PLV	QP%	AP%	BP%	Q-BP%	HP	PLA	Hit Luck
2019	80	-	-	-	-	-	-	-	-	-
2020	33	4.34	143	30.3%	24.2%	45.5%	-15.2%	1.6	7.99	+1
2021	21	4.27	90	33.3%	14.3%	52.4%	-19.0%	-1.0	6.59	-1
2022	103	3.98	366	26.1%	22.8%	51.1%	-25.0%	-0.6	6.72	+0
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	265	4.80	1,162	40.6%	19.7%	39.7%	0.8%	-1.0	-	-1

Year	MPH	Usage%	O-Sw%	Zone%	SwStr%	CS%	CSW%	Str%	PLUS%	GB%	FB%	AVG	wOBA	BABIP	HR/FB%	xAVG	xwOBA	HC%	Spin
2019	82.7	6.1%	-	-	9.5%	14.3%	23.8%	57.1%	52.4%	-	-	.333	.290	.500	-	-	-	-	-
2020	84.6	28.8%	12.5%	61.9%	9.5%	14.3%	23.8%	57.1%	52.4%	0.0%	100.0%	.500	.990	.000	50.0%	.306	.496	50.0%	2,579
2021	85.1	35.9%	34.8%	39.5%	23.7%	13.2%	36.8%	60.5%	57.9%	50.0%	25.0%	.143	.126	.250	0.0%	.204	.208	14.3%	2,590
2022	84.3	30.4%	33.3%	34.7%	18.8%	13.9%	32.7%	55.4%	51.5%	28.6%	50.0%	.200	.287	.167	28.6%	.223	.319	17.4%	2,413
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	84.2	33.9%	32.0%	40.6%	16.1%	15.3%	31.4%	61.6%	56.8%	41.6%	37.2%	.214	.280	.275	13.3%	.206	.276	20.1%	2,417

Year	xAVG	xwOBA	xBABIP	xwoBACON	HC%	Brl%	ICR%	IPA%	EV	FB EV	LA	xMov	yMov	xRP	yRP	Ext	Spin
2019	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2020	.306	.496	.182	.496	50.0%	50.0%	50.0%	50.0%	96.2	96.2	31.5	2.8	2.7	-1.8	6.0	6.2	2,579
2021	.204	.208	.358	.365	14.3%	0.0%	50.0%	28.6%	86.8	75.5	19.3	3.4	1.8	-1.9	6.0	6.6	2,590
2022	.223	.319	.202	.475	17.4%	21.4%	28.6%	17.4%	87.6	88.0	20.8	3.7	0.9	-1.8	6.0	6.6	2,413
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	.206	.276	.260	.353	20.1%	6.9%	35.8%	22.6%	85.9	85.9	15.1	3.8	1.1	-0.9	5.6	6.3	2,417

Year	P	TBF	1B	2B	3B	HR	K	BB	HBP	WP	Strikes	Balls	AVG	SLG	wOBA
2019	21	3	1	0	0	0	1	0	0	0	12	9	.333	.333	.290
2020	21	2	0	0	0	1	0	0	0	1	12	9	.500	2.000	.990
2021	38	7	1	0	0	0	3	0	0	0	23	15	.143	.143	.126
2022	101	23	2	0	0	2	8	1	0	1	56	45	.200	.500	.287
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	200	50	6	2	0	1	16	3	1	1	126	74	.214	.364	.280

Year	GB%	LD%	FB%	IFFB%	HR/FB%	Pull%	Cent%	Oppo%	Foul%	Weak%	Top%	Under%	Fl&B%	Solid%	SS%
2019	-	-	-	-	-	-	-	-	23.8%	-	-	-	-	-	-
2020	0.0%	0.0%	100.0%	0.0%	50.0%	0.0%	100.0%	0.0%	23.8%	0.0%	0.0%	50.0%	0.0%	0.0%	50.0%
2021	50.0%	25.0%	25.0%	25.0%	0.0%	75.0%	25.0%	0.0%	13.2%	0.0%	25.0%	25.0%	50.0%	0.0%	25.0%
2022	28.6%	21.4%	50.0%	7.1%	28.6%	42.9%	42.9%	14.3%	8.9%	0.0%	28.6%	42.9%	7.1%	0.0%	42.9%
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	41.6%	21.2%	37.2%	10.7%	13.3%	45.8%	33.0%	21.2%	14.6%	5.2%	29.6%	29.8%	23.4%	5.2%	34.5%

Year	HC%	Brl%	ICR%	IPA%	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA
2019	-	-	-	-	.333	.290	.500	.500	-	-	-	-	-	-	-
2020	50.0%	50.0%	50.0%	50.0%	.500	.990	.000	.500	.306	.496	.182	.496	96.2	96.2	31.5
2021	14.3%	0.0%	50.0%	28.6%	.143	.126	.250	.250	.204	.208	.358	.365	86.8	75.5	19.3
2022	17.4%	21.4%	28.6%	17.4%	.200	.287	.167	.286	.223	.319	.202	.475	87.6	88.0	20.8
RP MLB Percentile	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RP MLB AVG	20.1%	6.9%	35.8%	22.6%	.214	.280	.275	.309	.206	.276