Pitching

Jeckferxon Hernandez

Miami Marlins (A)

P

Age: 22

Bats/Throws: R/R

6'3" / 185

DOB: 9/18/2002

(22 years, 9 months, 1 day)

P

Stats

In-Season ProjectionsMinor Leagues

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	divider	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	divider	vFA vFA - Fourseam Fastball velocity (Pitch Info)	divider	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2023	MIA	DSL	20	0	1	0	10	0	11.0		10.64	5.73	0.00	.286	73.3%	44.0%	0.0%				2.45		3.52	4.32
2024	MIA	DSL	21	1	2	0	19	0	18.2		13.02	8.20	0.00	.341	76.5%	47.7%	0.0%				3.38		4.14	4.53
2025	MIA	CPX	22	0	0	1	2	0	2.0		13.50	4.50	0.00	.667	60.0%	83.3%	0.0%				0.00		2.31	2.31
2025	MIA	A	22	1	0	0	10	0	13.2		13.83	7.24	0.66	.345	77.7%	37.9%	9.1%				1.98		3.91	3.84
2025	MIA	MiLB	22	1	0	1	12	0	15.2		13.79	6.89	0.57	.400	74.2%	45.7%	9.1%				1.72		3.71	3.65
2025	Steamer	ROS		0	0	0	1	0	1.0		6.21	7.13	1.26	.300	69.5%						5.95		6.01		0.0
2025	OOPSY	ROS	22	0	0	0	1	0	1.3		7.98	4.91	1.35	.295	70.4%						5.09		5.15		0.0

Season	Team	Level	Age	W W - Wins	L L - Losses	SV SV - Saves	G G - Games Pitched	GS GS - Games Started	IP IP - Innings Pitched	divider	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	GB% GB% - Ground Ball Percentage (GB/BIP)	HR/FB HR/FB - Home Run to Fly Ball Ratio	divider	vFA vFA - Fourseam Fastball velocity (Pitch Info)	divider	ERA ERA - Earned Run Average ((ER*9)/IP)	xERA xERA - Expected ERA	FIP FIP - Fielder Independent Pitching on an ERA scale	xFIP xFIP - Expected Fielder Independent Pitching where Home Runs are calculated as 10.5% of Fly Balls induced	WAR WAR - Wins Above Replacement
2023	MIA	DSL	20	0	1	0	10	0	11.0		10.64	5.73	0.00	.286	73.3%	44.0%	0.0%				2.45		3.52	4.32
2024	MIA	DSL	21	1	2	0	19	0	18.2		13.02	8.20	0.00	.341	76.5%	47.7%	0.0%				3.38		4.14	4.53
2025	MIA	CPX	22	0	0	1	2	0	2.0		13.50	4.50	0.00	.667	60.0%	83.3%	0.0%				0.00		2.31	2.31
2025	MIA	A	22	1	0	0	10	0	13.2		13.83	7.24	0.66	.345	77.7%	37.9%	9.1%				1.98		3.91	3.84
2025	MIA	MiLB	22	1	0	1	12	0	15.2		13.79	6.89	0.57	.400	74.2%	45.7%	9.1%				1.72		3.71	3.65
2025	Steamer	ROS		0	0	0	1	0	1.0		6.21	7.13	1.26	.300	69.5%						5.95		6.01		0.0
2025	OOPSY	ROS	22	0	0	0	1	0	1.3		7.98	4.91	1.35	.295	70.4%						5.09		5.15		0.0

In-Season ProjectionsMinor Leagues

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2023	MIA	DSL	0	1	2.45	10	0		0	0	0	0	0	11.0	48	8	4	3	0	7	0	0	1	0	13
2024	MIA	DSL	1	2	3.38	19	0		0	0	0	3	1	18.2	90	15	8	7	0	17	0	2	9	1	27
2025	MIA	CPX	0	0	0.00	2	0		0	0	1	0	0	2.0	10	4	2	0	0	1	0	0	1	0	3
2025	MIA	A	1	0	1.98	10	0		0	0	0	0	0	13.2	62	11	6	3	1	11	0	0	2	1	21
2025	MIA	MiLB	1	0	1.72	12	0		0	0	1	0	0	15.2	72	15	8	3	1	12	0	0	3	1	24
2025	Steamer	ROS	0	0	5.95	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2025	OOPSY	ROS	0	0	5.09	1	0	0			0	0		1.3	6	1	1	1	0	1	0	0			1

Season	Team	Level	W W - Wins	L L - Losses	ERA ERA - Earned Run Average ((ER*9)/IP)	G G - Games Pitched	GS GS - Games Started	QS	CG CG - Complete Games	ShO ShO - Shoutouts	SV SV - Saves	HLD HLD - Holds	BS BS - Blown Saves	IP IP - Innings Pitched	TBF TBF - Total Batters Faced	H H - Hits Allowed	R R - Runs Allowed	ER ER - Earned Runs	HR HR - Home Runs	BB BB - Walks	IBB IBB - Intentional	HBP HBP - Hit Batters	WP WP - Wild Pitches	BK BK - Balks	SO SO - Strikeouts
2023	MIA	DSL	0	1	2.45	10	0		0	0	0	0	0	11.0	48	8	4	3	0	7	0	0	1	0	13
2024	MIA	DSL	1	2	3.38	19	0		0	0	0	3	1	18.2	90	15	8	7	0	17	0	2	9	1	27
2025	MIA	CPX	0	0	0.00	2	0		0	0	1	0	0	2.0	10	4	2	0	0	1	0	0	1	0	3
2025	MIA	A	1	0	1.98	10	0		0	0	0	0	0	13.2	62	11	6	3	1	11	0	0	2	1	21
2025	MIA	MiLB	1	0	1.72	12	0		0	0	1	0	0	15.2	72	15	8	3	1	12	0	0	3	1	24
2025	Steamer	ROS	0	0	5.95	1	0	0	0	0	0	0		1.0	5	1	1	1	0	1		0			1
2025	OOPSY	ROS	0	0	5.09	1	0	0			0	0		1.3	6	1	1	1	0	1	0	0			1

In-Season ProjectionsMinor LeaguesAverages

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	divider	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	divider	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	divider	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	divider	FIP FIP - Fielder Independent Pitching on an ERA scale
2023	MIA	DSL	10.64	5.73	1.86	0.00		27.1%	14.6%	12.5%		.195	1.36	.286	73.3%		52	74		3.52
2024	MIA	DSL	13.02	8.20	1.59	0.00		30.0%	18.9%	11.1%		.211	1.71	.341	76.5%		65	82		4.14
2025	MIA	CPX	13.50	4.50	3.00	0.00		30.0%	10.0%	20.0%		.444	2.50	.667	60.0%		0	55		2.31
2025	MIA	A	13.83	7.24	1.91	0.66		33.9%	17.7%	16.1%		.216	1.61	.345	77.7%		48	95		3.91
2025	MIA	MiLB	13.79	6.89	2.00	0.57		33.3%	16.7%	16.7%		.250	1.72	.400	74.2%		41	90		3.71
2025	Steamer	ROS	6.21	7.13	0.87	1.26		14.4%	16.6%	-2.1%		.272	1.87	.300	69.5%					6.01
2025	OOPSY	ROS	7.98	4.91	1.62	1.35		19.1%	11.7%	7.3%		.256	1.58	.295	70.4%					5.15

Season	Team	Level	K/9 K/9 - Strikeouts per 9 Innings ((SO*9)/IP)	BB/9 BB/9 - Walks per 9 Innings ((BB*9)/IP)	K/BB K/BB - Strikeout to Walk Ratio (SO/BB)	HR/9 HR/9 - Home Runs per 9 Innings ((HR*9)/IP)	divider	K% K% - Strikeout Percentage (SO/TBF)	BB% BB% - Walk Percentage (BB/TBF)	K-BB% K-BB% - The difference between strikeout percentage and walk percentage	divider	AVG AVG - Batting Average Against	WHIP WHIP - Walks + Hits divided by Innings Pitched	BABIP BABIP - Batting Average on Balls in Play	LOB% LOB% - Left on Base Percentage	divider	ERA- ERA- - ERA adjusted for park and league where 100 is average and lower is better	FIP- FIP- - FIP adjusted for park and league where 100 is average and lower is better	divider	FIP FIP - Fielder Independent Pitching on an ERA scale
2023	MIA	DSL	10.64	5.73	1.86	0.00		27.1%	14.6%	12.5%		.195	1.36	.286	73.3%		52	74		3.52
2024	MIA	DSL	13.02	8.20	1.59	0.00		30.0%	18.9%	11.1%		.211	1.71	.341	76.5%		65	82		4.14
2025	MIA	CPX	13.50	4.50	3.00	0.00		30.0%	10.0%	20.0%		.444	2.50	.667	60.0%		0	55		2.31
2025	MIA	A	13.83	7.24	1.91	0.66		33.9%	17.7%	16.1%		.216	1.61	.345	77.7%		48	95		3.91
2025	MIA	MiLB	13.79	6.89	2.00	0.57		33.3%	16.7%	16.7%		.250	1.72	.400	74.2%		41	90		3.71
2025	Steamer	ROS	6.21	7.13	0.87	1.26		14.4%	16.6%	-2.1%		.272	1.87	.300	69.5%					6.01
2025	OOPSY	ROS	7.98	4.91	1.62	1.35		19.1%	11.7%	7.3%		.256	1.58	.295	70.4%					5.15