Christian Koss

#50 - 2B/SS/DH

San Francisco Giants

Bats / Throws	Right / Right
Date of Birth	1/27/1998 (28)
Height, Weight	6'1", 185 lb
Hometown	Riverside, CA

2026 Season Stats

Needs more playing time to qualify

MLB Rank MLB Average

	PA	R	HR	RBI	SB	AVG	wOBA
	23	1	0	0	0	.143	.194

	351^st 289 PA	351^st 35 R	347^th 9 HR	351^st 34 RBI	291^st 5 SB	350^th .244 AVG	350^th .317 wOBA

	K%	BB%	IPA%	HC%	xAVG	xwOBA
	8.7%	4.3%	13.0%	-	.133	.173

	4^th - K%	326^th - BB%	350^th - IPA%	1^st - HC%	351^st - xAVG	351^st - xwOBA

Articles

5/10/2026Fantasy Baseball Relief Pitcher Roundup: 5/9Rick Graham

4/5/2026Fantasy Baseball Relief Pitcher Roundup: 4/4Rick Graham

9/25/2025The PLV Power Report: Reviewing This Year's RookiesRyan Amore

8/19/2025MLB News & Moments You Should Know: 8/19/2025Steve Drumwright

5/14/2025MLB News & Moments You Should Know: 5/14/2025Pablo Figueroa

See More Articles

Stats Glossary

Christian Koss Overview

Hide 2026 MLB Percentile | Hide 2026 MLB Average

Year	Team	G	PA	R	HR	RBI	SB	AVG	OBP	SLG	wOBA	xwOBA	Z-Con%	K%	BB%	HR/FB%	BABIP	Brl%	ICR%	IPA%
2025	SF	74	191	25	3	23	4	.264	.309	.368	.297	.311	73.0%	23.6%	4.7%	10.0%	.336	6.0%	36.6%	25.7%
2026	SF	13	23	1	0	0	0	.143	.217	.190	.194	.173	82.8%	8.7%	4.3%	0.0%	.158	0.0%	15.8%	13.0%
MLB Percentile		0	0	0	0	0	0	0	1	0	0	0	31	99	7	0	0	0	0	0
MLB AVG		77	289	35	9	34	5	.244	.319	.403	.317	.321	84.7%	21.9%	8.9%	19.3%	.289	7.7%	38.0%	25.7%
Career		87	214	26	3	23	4	.251	.299	.349	.287	.298	74.1%	22.0%	4.7%	8.8%	.313	5.2%	34.0%	24.3%

Christian Koss Game Log

Date Range

Christian Koss Standard

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Year	Team	1B	2B	3B	HR	SB	CS	K	BB	HBP	H	TB	HC	Brl
2025	SF	34	9	0	3	4	1	45	9	3	46	76	45	8
2026	SF	2	1	0	0	0	0	2	1	1	3	6	3	0
MLB Percentile		0	0	0	0	0	0	100	0	14	0	0	0	0
MLB AVG		41	12	1	9	5	2	62	26	3	64	136	77	15
Career		36	10	0	3	4	1	47	10	4	49	82	48	8

Christian Koss Advanced

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Year	Team	K%	BB%	AVG	OBP	SLG	wOBA	ISO	BABIP	xAVG	xSLG	xwOBA	xBABIP	xwoBACON	Max EV	FB EV	LA
2025	SF	23.6%	4.7%	.264	.309	.368	.297	.104	.336	.262	.414	.311	.321	.374	108.1	88.1	4.1
2026	SF	8.7%	4.3%	.143	.217	.190	.194	.047	.158	.133	.142	.173	.146	.134	107.6	82.5	18.5
MLB Percentile		99	7	0	1	0	0	2	0	0	0	0	0	0	15	3	86
MLB AVG		21.9%	8.9%	.244	.319	.403	.317	.159	.289	.242	.416	.321	.284	.371	110.3	89.7	13.3
Career		22.0%	4.7%	.251	.299	.349	.287	.098	.313	.248	.385	.298	.298	.346	108.1	87.4	5.9

Christian Koss Batted Ball › Contact

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Year	Team	GB%	LD%	FB%	PU%	SS%	Pull%	Cent%	Oppo%	Foul Str%	PC%	Fl&B%	Solid%	Brl%	ICR%
2025	SF	50.7%	23.1%	22.4%	3.7%	34.3%	38.1%	31.3%	30.6%	16.8%	63.4%	26.1%	4.5%	6.0%	36.6%
2026	SF	42.1%	10.5%	21.1%	26.3%	10.5%	31.6%	36.8%	31.6%	16.7%	84.3%	15.8%	0.0%	0.0%	15.8%
MLB Percentile		42	0	25	0	0	5	78	91	26	0	1	0	0	0
MLB AVG		43.7%	22.0%	24.3%	10.0%	35.2%	42.1%	33.5%	24.4%	18.1%	61.7%	24.5%	6.1%	7.7%	38.0%
Career		49.7%	21.6%	22.2%	6.5%	31.4%	37.3%	32.0%	30.7%	16.8%	66.0%	24.8%	3.9%	5.2%	34.0%

Christian Koss Batted Ball › Outcomes

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Year	Team	AVG	wOBA	BABIP	BACON	xAVG	xwOBA	xBABIP	xwoBACON	EV	FB EV	LA	HR/FB	ICR%	IPA%
2025	SF	.264	.297	.336	.351	.262	.311	.321	.374	84.9	88.1	4.1	10.0%	36.6%	25.7%
2026	SF	.143	.194	.158	.158	.133	.173	.146	.134	83.8	82.5	18.5	0.0%	15.8%	13.0%
MLB Percentile		0	0	0	0	0	0	0	0	7	3	86	0	0	0
MLB AVG		.244	.317	.289	.323	.242	.321	.284	.371	88.2	89.7	13.3	19.3%	38.0%	25.7%
Career		.251	.287	.313	.327	.248	.298	.298	.346	84.8	87.4	5.9	8.8%	34.0%	24.3%

Christian Koss Approach › Plate Discipline

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Year	Team	Zone%	Str%	Swing%	O-Sw%	Whiff%	Foul Str%	Con%	Z-Con%	O-Con%	CS%	SwStr%	CSW%	BIP%	PLUS%
2025	SF	51.4%	68.5%	55.0%	37.4%	31.6%	16.8%	68.4%	73.0%	59.0%	13.5%	17.4%	30.9%	20.8%	61.3%
2026	SF	52.8%	68.1%	55.6%	32.4%	22.5%	16.7%	77.5%	82.8%	63.6%	12.5%	12.5%	25.0%	26.4%	63.9%
MLB Percentile		100	91	95	43	64	26	64	31	67	89	42	85	99	97
MLB AVG		44.7%	63.8%	47.6%	31.7%	24.7%	18.1%	75.3%	84.7%	58.8%	16.3%	11.8%	28.1%	17.6%	58.2%
Career		51.5%	68.4%	55.0%	36.9%	30.7%	16.8%	69.3%	74.1%	59.4%	13.4%	16.9%	30.3%	21.4%	61.6%

Christian Koss Approach › Locations

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Year	Team	Zone%	iLoc%	x-mLoc%	oLoc%	hiLoc%	y-mLoc%	loLoc%	aLoc%	gLoc%	mmLoc%
2025	SF	51.4%	29.0%	26.6%	44.4%	24.1%	27.2%	48.8%	31.1%	42.4%	7.8%
2026	SF	52.8%	37.5%	36.1%	26.4%	34.7%	27.8%	37.5%	36.1%	27.8%	13.9%
MLB Percentile		100	99	100	0	37	100	16	53	3	100
MLB AVG		44.7%	29.5%	27.2%	43.3%	35.8%	22.8%	41.4%	35.3%	37.4%	6.6%
Career		51.5%	29.9%	27.5%	42.6%	25.1%	27.2%	47.6%	31.6%	40.9%	8.4%

Christian Koss Approach › Counts

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Year	Team	Early%	Behind%	2-Str%	Early BIP%	F-Str%	TF-Str%	ECS%	2-Str O-Sw%	PAR%
2025	SF	61.2%	8.2%	30.6%	21.3%	63.9%	45.5%	17.3%	21.3%	22.8%
2026	SF	70.8%	6.9%	22.2%	21.6%	56.5%	43.5%	17.6%	37.5%	12.5%
MLB Percentile		0	1	99	98	11	5	22	5	91
MLB AVG		58.7%	12.0%	29.6%	15.0%	61.2%	49.9%	21.0%	26.8%	18.9%
Career		62.2%	8.1%	29.7%	21.3%	63.1%	45.3%	17.3%	22.5%	22.1%

Christian Koss PLV

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Year	Team	P	PLV	QP%	AP%	BP%	Q-BP%	MTK%	HP	HL
2025	SF	644	5.16	45.7%	19.4%	34.9%	10.7%	7.6%	6.0	+14
2026	SF	72	5.00	45.8%	18.1%	36.1%	9.7%	11.1%	-2.6	-2
MLB Percentile		0	63	42	61	48	48	100	26	41
MLB AVG		1,125	4.97	46.1%	17.7%	36.2%	9.9%	4.7%	5.0	+2
Career		716	5.14	45.7%	19.3%	35.1%	10.6%	8.0%	3.4	+12

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