Christian Koss

#50 - 2B/DH/SS

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
	15	1	0	0	0	.071	.134

	351^st 135 PA	351^st 16 R	316^th 4 HR	351^st 15 RBI	244^th 2 SB	351^st .239 AVG	351^st .315 wOBA

	K%	BB%	IPA%	HC%	xAVG	xwOBA
	13.3%	0.0%	6.7%	13.3%	.080	.119

	32^nd - K%	350^th - BB%	351^st - IPA%	351^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	9	15	1	0	0	0	.071	.133	.143	.134	.119	87.5%	13.3%	0.0%	0.0%	.083	0.0%	8.3%	6.7%
MLB Percentile		0	0	0	0	0	0	0	0	0	0	0	69	91	0	0	0	0	0	0
MLB AVG		36	135	16	4	15	2	.239	.317	.384	.315	.320	84.4%	22.2%	9.4%	17.1%	.288	7.8%	37.8%	25.3%
Career		83	206	26	3	23	4	.250	.296	.351	.291	.304	73.9%	22.8%	4.4%	9.4%	.314	5.5%	34.2%	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	0	1	0	0	0	0	2	0	1	1	3	2	0
MLB Percentile		0	2	0	0	0	0	100	0	33	0	0	0	0
MLB AVG		19	6	0	4	2	1	30	13	1	29	61	36	7
Career		34	10	0	3	4	1	47	9	4	47	79	47	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	13.3%	0.0%	.071	.133	.143	.134	.072	.083	.080	.087	.119	.093	.087	100.1	84.2	19.2
MLB Percentile		91	0	0	0	0	0	13	0	0	0	0	0	0	0	10	87
MLB AVG		22.2%	9.4%	.239	.317	.384	.315	.145	.288	.238	.400	.320	.283	.368	109.6	89.7	13.2
Career		22.8%	4.4%	.250	.296	.351	.291	.101	.314	.248	.390	.304	.301	.359	108.1	87.8	5.3

Christian Koss Batted Ball › Contact

Hide 2026 MLB Percentile | Hide 2026 MLB Average

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	41.7%	8.3%	16.7%	33.3%	8.3%	25.0%	33.3%	41.7%	15.4%	91.6%	8.3%	0.0%	0.0%	8.3%
MLB Percentile		39	0	11	0	0	2	48	99	18	0	0	0	0	0
MLB AVG		44.2%	21.8%	24.0%	10.0%	34.7%	42.3%	33.3%	24.4%	17.8%	62.0%	24.1%	6.2%	7.8%	37.8%
Career		50.0%	21.9%	21.9%	6.2%	32.2%	37.0%	31.5%	31.5%	16.7%	65.7%	24.7%	4.1%	5.5%	34.2%

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	.071	.134	.083	.083	.080	.119	.093	.087	83.5	84.2	19.2	0.0%	8.3%	6.7%
MLB Percentile		0	0	0	0	0	0	0	0	8	10	87	0	0	0
MLB AVG		.239	.315	.288	.317	.238	.320	.283	.368	88.3	89.7	13.2	17.1%	37.8%	25.3%
Career		.250	.291	.314	.329	.248	.304	.301	.359	84.8	87.8	5.3	9.4%	34.2%	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	56.4%	74.4%	61.5%	47.1%	25.0%	15.4%	75.0%	87.5%	50.0%	12.8%	15.4%	28.2%	30.8%	71.8%
MLB Percentile		100	99	99	1	51	18	51	69	22	84	17	51	100	100
MLB AVG		44.5%	63.5%	47.1%	31.6%	25.1%	17.8%	74.9%	84.4%	58.5%	16.4%	11.9%	28.3%	17.4%	58.1%
Career		51.7%	68.8%	55.3%	37.9%	31.2%	16.7%	68.8%	73.9%	58.4%	13.5%	17.3%	30.7%	21.4%	61.9%

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	56.4%	38.5%	38.5%	23.1%	41.0%	30.8%	28.2%	35.9%	25.6%	15.4%
MLB Percentile		100	99	99	0	88	100	0	53	1	100
MLB AVG		44.5%	30.0%	27.1%	42.9%	35.6%	22.7%	41.7%	35.2%	37.7%	6.5%
Career		51.7%	29.6%	27.2%	43.2%	25.0%	27.4%	47.6%	31.3%	41.4%	8.2%

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	76.9%	5.1%	17.9%	23.3%	73.3%	53.3%	16.7%	42.9%	28.6%
MLB Percentile		0	0	100	99	99	75	15	3	3
MLB AVG		58.5%	12.3%	29.5%	14.5%	60.5%	49.7%	21.2%	27.0%	19.2%
Career		62.1%	8.1%	29.9%	21.5%	64.6%	46.1%	17.2%	22.1%	23.0%

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	39	5.00	46.2%	20.5%	33.3%	12.8%	7.7%	-2.7	-2
MLB Percentile		0	56	38	95	11	11	98	29	42
MLB AVG		526	4.98	46.7%	17.2%	36.1%	10.6%	4.5%	1.5	+1
Career		683	5.15	45.7%	19.5%	34.8%	10.8%	7.6%	3.4	+12

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