Christian Koss

School

UC-Irvine

Born

1998-01-27

Hometown

Riverside, CA

Bats / Throws

R/R

Height / Weight

6-2 · 180

Drafted

2019 · Rd 12 (#369 overall) · Colorado Rockies

Cape League Batting (expand stats for Game Logs)

2017 — Yarmouth-Dennis Red Sox · UC-Irvine

2018 — Yarmouth-Dennis Red Sox · UC-Irvine

Date	Team	Opp	Result	Pos	PA	AB	R	H	TB	2B	3B	HR	RBI	SH	SF	HBP	BB	IBB	SO	SB	CS	GIDP	PO	A	E	DP	AVG	OBP	SLG	OPS	wOBA	wRC+
▸ 2017
6/15	Yarmouth-Dennis	Orleans	W 4-2	2B	4	3	1	1	2	1	0	0	0	1	0	0	0	0	1	0	0	0	2	2	0	1	0.333	0.333	0.667	1.000	—	—
6/17	Yarmouth-Dennis	Harwich	L 2-5	3B	4	4	1	2	2	0	0	0	0	0	0	0	0	0	0	0	0	1	0	1	0	0	0.429	0.429	0.571	1.000	—	—
6/19	Yarmouth-Dennis	@Orleans	W 2-1	3B	3	3	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	1	0	1	0	0	0.300	0.300	0.400	0.700	—	—
6/20	Yarmouth-Dennis	Brewster	T 7-7	3B	3	2	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	0	1	0	2	0	0.250	0.308	0.333	0.641	—	—
6/21	Yarmouth-Dennis	Chatham	W 11-8	PR	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.250	0.308	0.333	0.641	—	—
6/23	Yarmouth-Dennis	@Falmouth	W 5-1	2B	4	3	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	0	0	0.200	0.250	0.267	0.517	—	—
6/24	Yarmouth-Dennis	@Cotuit	L 2-9	PH	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.188	0.235	0.250	0.485	—	—
6/25	Yarmouth-Dennis	Falmouth	W 14-3	2B	1	1	1	1	4	0	0	1	3	0	0	0	0	0	0	0	0	0	1	1	0	1	0.235	0.278	0.471	0.749	—	—
6/25	Yarmouth-Dennis	Falmouth	L 1-2	2B	2	1	0	0	0	0	0	0	0	0	0	0	1	0	1	0	0	0	1	3	0	1	0.222	0.300	0.444	0.744	—	—
6/28	Yarmouth-Dennis	@Harwich	W 12-1	PH-SS	2	2	1	2	2	0	0	0	1	0	0	0	0	0	0	0	0	0	0	1	0	0	0.300	0.364	0.500	0.864	—	—
6/29	Yarmouth-Dennis	@Bourne	L 2-6	3B	3	3	0	3	3	0	0	0	0	0	0	0	0	0	0	0	0	0	1	3	0	0	0.391	0.440	0.565	1.005	—	—
7/1	Yarmouth-Dennis	@Brewster	W 7-4	SS	4	3	0	1	1	0	0	0	1	0	0	0	1	0	1	0	0	0	2	3	0	1	0.385	0.448	0.538	0.986	—	—
7/2	Yarmouth-Dennis	@Wareham	L 0-4	2B-SS	3	3	0	1	2	1	0	0	0	0	0	0	0	0	0	0	0	1	4	3	0	0	0.379	0.438	0.552	0.990	—	—
7/5	Yarmouth-Dennis	@Hyannis	W 3-1	3B	4	4	0	2	2	0	0	0	0	0	0	0	0	0	2	0	0	0	2	4	0	0	0.394	0.444	0.545	0.989	—	—
7/8	Yarmouth-Dennis	Chatham	L 5-9	PH	1	1	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0.382	0.432	0.529	0.961	—	—
7/9	Yarmouth-Dennis	@Wareham	W 3-1	SS-3B	5	5	0	2	2	0	0	0	1	0	0	0	0	0	1	0	0	0	1	5	0	1	0.385	0.429	0.513	0.942	—	—
7/10	Yarmouth-Dennis	Brewster	W 4-0	3B	4	2	0	0	0	0	0	0	0	0	0	0	2	0	1	0	0	0	0	1	0	0	0.366	0.435	0.488	0.923	—	—
7/11	Yarmouth-Dennis	Orleans	W 8-7	2B	2	2	0	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	1	0	0	0.349	0.417	0.465	0.882	—	—
7/14	Yarmouth-Dennis	@Brewster	W 2-1	SS-3B	4	4	1	2	3	1	0	0	0	0	0	0	0	0	0	0	0	0	2	4	0	2	0.362	0.423	0.489	0.912	—	—
7/15	Yarmouth-Dennis	Hyannis	W 4-3	3B	5	5	0	1	1	0	0	0	0	0	0	0	0	0	1	0	0	0	2	0	0	0	0.346	0.404	0.462	0.866	—	—
7/16	Yarmouth-Dennis	@Falmouth	W 6-5	3B	3	3	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1	0	0.327	0.383	0.436	0.819	—	—
7/18	Yarmouth-Dennis	@Harwich	W 4-2	PH-3B	3	1	1	1	1	0	0	0	0	0	0	0	2	0	0	0	1	0	0	0	0	0	0.339	0.413	0.446	0.859	—	—
7/19	Yarmouth-Dennis	Orleans	W 11-2	2B	5	5	2	2	2	0	0	0	0	0	0	0	0	0	2	0	0	0	0	3	0	0	0.344	0.412	0.443	0.855	—	—
7/20	Yarmouth-Dennis	@Hyannis	W 10-0	2B-3B	6	5	0	1	1	0	0	0	1	1	0	0	0	0	1	2	1	0	1	5	0	1	0.333	0.397	0.424	0.821	—	—
7/21	Yarmouth-Dennis	Wareham	W 5-4	3B	4	3	1	1	1	0	0	0	1	0	0	0	1	0	0	0	0	0	0	1	0	0	0.333	0.403	0.420	0.823	—	—
7/23	Yarmouth-Dennis	Wareham	W 8-3	3B	1	1	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.343	0.410	0.429	0.839	—	—
7/25	Yarmouth-Dennis	@Chatham	W 7-2	SS-3B	5	4	2	3	4	1	0	0	2	0	0	0	1	0	1	0	0	0	2	1	1	1	0.365	0.434	0.459	0.893	—	—
7/26	Yarmouth-Dennis	Harwich	L 5-6	PH	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.360	0.429	0.453	0.882	—	—
7/27	Yarmouth-Dennis	@Orleans	W 4-2	3B	4	3	0	1	1	0	0	0	0	0	0	0	1	0	2	1	0	0	2	3	0	1	0.359	0.432	0.449	0.881	—	—
7/28	Yarmouth-Dennis	Chatham	L 2-4	SS	4	3	0	0	0	0	0	0	0	0	0	0	1	0	1	0	0	0	2	3	0	0	0.346	0.424	0.432	0.856	—	—
7/29	Yarmouth-Dennis	@Brewster	W 4-2	3B	4	3	0	0	0	0	0	0	0	0	0	0	1	0	0	0	1	0	0	2	0	0	0.333	0.417	0.417	0.834	—	—
7/30	Yarmouth-Dennis	Brewster	L 1-5	RF-LF-3B	4	1	0	0	0	0	0	0	0	0	0	0	3	0	1	0	0	0	1	0	0	0	0.329	0.430	0.412	0.842	—	—
7/31	Yarmouth-Dennis	Bourne	W 5-1	3B	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.326	0.426	0.407	0.833	—	—
8/1	Yarmouth-Dennis	@Chatham	L 2-4	3B	4	4	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	5	1	0	0.311	0.410	0.389	0.799	—	—
8/3	Yarmouth-Dennis	Cotuit	W 12-4	SS	4	4	1	1	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	2	0	0	0.309	0.404	0.383	0.787	—	—
Season Total					112	94	13	29	36	4	0	1	10	3	0	0	15	0	24	4	3	3	27	59	5	10	0.309	0.404	0.383	0.787	0.385	130
▸ 2018
6/16	Yarmouth-Dennis	Falmouth	L 0-8	SS	1	1	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	1	1	1	0.000	0.000	0.000	0.000	—	—
6/17	Yarmouth-Dennis	@Cotuit	L 4-5	SS	2	2	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	2	0	0	0	0.000	0.000	0.000	0.000	—	—
6/17	Yarmouth-Dennis	@Cotuit	L 3-11	SS	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.000	0.000	0.000	0.000	—	—
6/19	Yarmouth-Dennis	@Brewster	T 4-4	2B	4	4	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0.125	0.125	0.125	0.250	—	—
6/21	Yarmouth-Dennis	Cotuit	W 6-1	SS	4	4	1	3	3	0	0	0	3	0	0	0	0	0	0	0	0	0	2	1	0	0	0.333	0.333	0.333	0.666	—	—
6/22	Yarmouth-Dennis	Harwich	W 12-1	SS	5	3	1	2	2	0	0	0	2	1	1	0	0	0	0	0	1	0	1	0	0	0	0.400	0.375	0.400	0.775	—	—
6/24	Yarmouth-Dennis	Wareham	L 4-10	SS	4	4	1	1	2	1	0	0	1	0	0	0	0	0	2	0	0	0	2	0	2	0	0.368	0.350	0.421	0.771	—	—
6/24	Yarmouth-Dennis	Wareham	W 4-3	2B	3	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0.318	0.304	0.364	0.668	—	—
6/26	Yarmouth-Dennis	Orleans	W 10-4	2B	5	3	2	0	0	0	0	0	1	0	0	0	2	0	0	0	0	0	0	1	1	1	0.280	0.321	0.320	0.641	—	—
6/27	Yarmouth-Dennis	@Harwich	W 3-2	SS	5	5	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	4	4	0	0	0.233	0.273	0.267	0.540	—	—
6/29	Yarmouth-Dennis	@Chatham	L 2-5	SS	4	4	0	1	1	0	0	0	0	0	0	0	0	0	2	0	0	0	1	4	1	0	0.235	0.270	0.265	0.535	—	—
6/30	Yarmouth-Dennis	Cotuit	W 4-1	2B	3	3	0	2	2	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0.270	0.300	0.297	0.597	—	—
7/1	Yarmouth-Dennis	@Wareham	W 6-5	2B	5	5	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	2	4	0	1	0.262	0.289	0.286	0.575	—	—
7/3	Yarmouth-Dennis	Brewster	W 12-10	2B	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0.262	0.289	0.286	0.575	—	—
7/4	Yarmouth-Dennis	@Hyannis	W 7-2	RF-2B-LF	4	3	1	1	1	0	0	0	1	0	0	0	1	0	1	0	0	0	1	0	1	0	0.267	0.306	0.289	0.595	—	—
7/5	Yarmouth-Dennis	Hyannis	T 7-7	SS-2B	4	4	2	1	1	0	0	0	1	0	0	0	0	0	0	0	0	0	2	2	0	0	0.265	0.302	0.286	0.588	—	—
7/7	Yarmouth-Dennis	@Brewster	T 6-6	2B	1	1	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	0	0.260	0.296	0.280	0.576	—	—
7/10	Yarmouth-Dennis	Harwich	W 5-4	3B	4	4	1	2	2	0	0	0	0	0	0	0	0	0	1	0	0	0	2	1	0	1	0.278	0.310	0.296	0.606	—	—
7/11	Yarmouth-Dennis	@Brewster	L 1-6	3B	4	4	0	1	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	1	0	0	0.276	0.306	0.293	0.599	—	—
7/12	Yarmouth-Dennis	Orleans	W 11-8	SS	4	4	1	2	2	0	0	0	1	0	0	0	0	0	0	0	1	0	3	5	0	0	0.290	0.318	0.306	0.624	—	—
7/13	Yarmouth-Dennis	@Falmouth	W 4-2	SS	4	3	1	2	2	0	0	0	0	0	0	0	1	0	0	0	0	0	1	3	0	0	0.308	0.343	0.323	0.666	—	—
7/14	Yarmouth-Dennis	Brewster	W 7-2	SS	5	4	2	1	1	0	0	0	0	0	0	0	1	0	0	0	0	1	1	3	1	1	0.304	0.347	0.319	0.666	—	—
7/15	Yarmouth-Dennis	@Chatham	W 5-3	SS	4	3	2	1	4	0	0	1	1	0	0	0	1	0	0	0	0	0	3	1	0	1	0.306	0.354	0.361	0.715	—	—
7/17	Yarmouth-Dennis	@Orleans	W 5-2	SS	4	3	0	1	1	0	0	0	1	0	0	0	1	0	2	0	0	0	0	4	0	0	0.307	0.361	0.360	0.721	—	—
7/18	Yarmouth-Dennis	@Bourne	L 3-6	SS	3	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	2	0	0	0.295	0.349	0.346	0.695	—	—
7/19	Yarmouth-Dennis	Bourne	W 8-2	SS	5	4	1	0	0	0	0	0	0	0	0	0	1	0	1	0	0	0	2	3	0	1	0.280	0.341	0.329	0.670	—	—
7/20	Yarmouth-Dennis	Brewster	L 3-7	SS	4	4	0	1	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	2	1	0	0.279	0.337	0.326	0.663	—	—
7/21	Yarmouth-Dennis	@Chatham	L 3-7	SS	4	3	1	0	0	0	0	0	0	0	0	0	1	0	3	0	0	0	1	3	0	0	0.270	0.333	0.315	0.648	—	—
7/23	Yarmouth-Dennis	@Bourne	W 8-3	SS	5	3	0	0	0	0	0	0	1	0	1	0	1	0	1	0	0	0	0	1	0	1	0.261	0.327	0.304	0.631	—	—
7/24	Yarmouth-Dennis	@Wareham	W 5-0	SS	4	3	0	0	0	0	0	0	1	0	1	0	0	0	0	0	0	0	2	2	0	1	0.253	0.315	0.295	0.610	—	—
7/25	Yarmouth-Dennis	Orleans	W 8-4	SS	4	3	1	1	2	1	0	0	0	0	0	0	1	0	1	0	0	0	3	3	0	1	0.255	0.321	0.306	0.627	—	—
7/27	Yarmouth-Dennis	Chatham	T 4-4	SS	4	4	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	4	4	0	0	0.245	0.310	0.294	0.604	—	—
7/28	Yarmouth-Dennis	@Harwich	W 8-5	SS	5	4	1	1	1	0	0	0	0	0	0	0	1	0	0	1	0	0	2	3	1	1	0.245	0.314	0.292	0.606	—	—
7/31	Yarmouth-Dennis	@Orleans	W 2-0	SS	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0.245	0.314	0.292	0.606	—	—
8/1	Yarmouth-Dennis	Hyannis	L 2-6	SS	4	4	0	2	2	0	0	0	2	0	0	0	0	0	0	0	0	0	2	5	0	1	0.255	0.320	0.300	0.620	—	—
8/2	Yarmouth-Dennis	@Hyannis	W 9-1	SS	5	4	2	2	5	1	1	0	2	0	1	0	0	0	0	0	0	0	1	2	0	0	0.263	0.323	0.333	0.656	—	—
Season Total					131	114	21	30	38	3	1	1	18	1	4	0	12	0	21	1	2	2	49	70	9	12	0.263	0.323	0.333	0.656	0.319	78

CCBL Playoffs

Playoff Batting Game Log

2017 Playoffs — Yarmouth-Dennis Red Sox

2018 Playoffs — Yarmouth-Dennis Red Sox

Date	Team	Opp	Result	Pos	PA	AB	R	H	TB	2B	3B	HR	RBI	SH	SF	HBP	BB	IBB	SO	SB	CS	GIDP	PO	A	E	DP	AVG	OBP	SLG	OPS
▸ 2017 Playoffs
8/5	Yarmouth-Dennis	Brewster	W 8-5	3B	2	2	0	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	—	—	—	—	0.000	0.000	0.000	0.000
8/6	Yarmouth-Dennis	@Brewster	L 1-6	3B	2	1	0	0	0	0	0	0	0	0	0	0	1	0	1	0	0	0	—	—	—	—	0.000	0.250	0.000	0.250
Season Total					4	3	0	0	0	0	0	0	0	0	0	0	1	0	3	0	0	0	0	0	0	0	0.000	0.250	0.000	0.250
▸ 2018 Playoffs
8/5	Yarmouth-Dennis	Brewster	L 4-5	SS	4	4	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	—	—	—	—	0.000	0.000	0.000	0.000
8/6	Yarmouth-Dennis	@Brewster	L 2-12	SS	4	3	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	—	—	—	—	0.000	0.125	0.000	0.125
Season Total					8	7	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0.000	0.125	0.000	0.125

Professional Batting

Year	Level	Team	Org	G	PA	AB	R	H	TB	2B	3B	HR	RBI	BB	SO	SB	CS	HBP	SF	SAC	GIDP	AVG	OBP	SLG	OPS	BABIP
2021	A+	Greenville	Boston Red Sox	104	468	428	65	116	193	18	7	15	55	31	0	10	4	5	0	0	0	0.271	0.325	0.451	0.776	0.245
2022	AA	Portland	Boston Red Sox	125	532	488	69	127	210	22	5	17	84	25	0	16	5	12	0	0	0	0.260	0.309	0.430	0.739	0.234
2023	AA	Portland	Boston Red Sox	38	147	134	18	30	45	7	1	2	10	10	0	11	1	1	0	0	0	0.224	0.283	0.336	0.619	0.212
2023	AAA	Worcester	Boston Red Sox	34	124	114	13	27	40	8	1	1	10	5	0	2	1	3	0	0	0	0.237	0.285	0.351	0.636	0.230
2024	AA	Richmond	San Francisco Giants	25	96	83	16	32	52	12	1	2	21	10	0	6	1	1	0	0	0	0.386	0.453	0.627	1.080	0.370
2024	AAA	Sacramento	San Francisco Giants	54	197	171	32	44	71	10	1	5	19	14	0	5	0	6	0	0	0	0.257	0.332	0.415	0.747	0.235
2025	AAA	Sacramento	San Francisco Giants	6	27	27	3	8	13	2	0	1	5	0	0	0	1	0	0	0	0	0.296	0.296	0.481	0.777	0.269
2025	MLB	San Francisco Giants	San Francisco Giants	76	191	174	25	46	64	9	0	3	23	9	45	4	1	3	2	3	4	0.264	0.309	0.368	0.677	0.336
2026	AAA	Sacramento	San Francisco Giants	3	10	9	4	4	7	0	0	1	3	0	0	1	0	1	0	0	0	0.444	0.500	0.778	1.278	0.375
2026	MLB	San Francisco Giants	San Francisco Giants	71	221	203	27	44	62	6	0	4	12	9	0	5	0	2	0	0	0	0.217	0.257	0.305	0.562	0.286
2025–2026	MLB	Career (2 yrs)		147	412	377	52	90	126	15	0	7	35	18	45	9	1	5	2	3	4	0.239	0.281	0.334	0.615	—
2023–2026	AAA	Career (4 yrs)		97	358	321	52	83	131	20	2	8	37	19	0	8	2	10	0	0	0	0.259	0.320	0.408	0.728	—
2022–2024	AA	Career (3 yrs)		188	775	705	103	189	307	41	7	21	115	45	0	33	7	14	0	0	0	0.268	0.325	0.435	0.760	—
2021	A+	Career (1 yr)		104	468	428	65	116	193	18	7	15	55	31	0	10	4	5	0	0	0	0.271	0.328	0.451	0.779	—

Professional Pitching

Year	Level	Team	Org	G	IP	H	R	ER	ERA	WHIP	K/9
2025	MLB	San Francisco Giants	San Francisco Giants	4	4.0	4	0	0	0.00	1.00	—
2026	MLB	San Francisco Giants	San Francisco Giants	2	2.0	5	3	3	13.50	2.50	—
2025–2026	MLB	Career (2 yrs)		6	6.0	9	3	3	4.50	1.50	0.00