Mike Yastrzemski

Bats L Throws L5'10" 178 lbBorn 1990 Andover, USADebut 2019Team ATLDraft 2009 R36 #1098 Boston Red Sox, St Johns Prep HSContract 2 y/$23M (26-27)+28 cl opt 2026: $9,000,000

Projections

2027 NEXT+ 89.1FIELD+ 99.3 at RFTotal 0.49 WAR

Season	PA	AB	H	2B	3B	HR	BB	SO	SB	AVG	OBP	SLG	OPS	ISO	wOBA	K%	BB%	HIT+	WAR
2026	383	331	75	17	1	13	44	85	3	0.227	0.321	0.407	0.728	0.180	0.319	22.1	11.5	104.2	1.39
2027	280	244	53	11	1	10	30	66	2	0.219	0.310	0.391	0.701	0.172	0.308	23.6	10.8	97.3	0.78

Projected rates are per plate appearance or batter faced; counting stats scale with projected playing time. Statcast measurements inform these projections as inputs and are reported as measurements, not projected.

Most similar through age 34

His ten closest age-34 comparables averaged 102 HIT+ the next season; 10 of 10 played. Averages cover only the players who got a next season, which is why the played count matters.

#	Player	Through	HIT+ then	Next season	Next PA / BF
1	Al Bumbry	1981	113.9	79.0	618
2	Fielder Jones	1906	114.2	114.0	665
3	Jose Cruz	1982	119.2	143.8	664
4	Matty Alou	1973	107.5	31.6	88
5	Tommy Henrich	1947	125.9	146.9	673
6	Charlie Blackmon	2021	112.1	90.0	577
7	Ben Oglivie	1983	119.0	100.5	509
8	Steve Finley	1999	106.3	117.0	623
9	Sam Rice	1924	117.4	109.8	709
10	Wally Moses	1945	113.6	85.3	378

Batting

Year	Team	G	PA	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	HIT+
2027 proj			280		53	11	1	10		2	30	66	0.219	0.310	0.391	0.701	97.3
2026*	ATL	109	320	40	64	16	1	9		1	32	77	0.227	0.312	0.387	0.699	95.8
2025	KC	147	558	68	111	28	1	17	46	7	72	108	0.233	0.333	0.403	0.735	109.6
2024	SF	140	474	60	99	16	9	18	57	3	38	124	0.231	0.302	0.437	0.739	110.6
2023	SF	106	381	54	77	23	1	15	43	2	45	99	0.233	0.330	0.445	0.775	112.4
2022	SF	148	558	73	104	31	2	17	57	5	61	141	0.214	0.305	0.392	0.697	97.6
2021	SF	139	532	75	105	28	3	25	71	4	51	131	0.224	0.311	0.457	0.768	104.7
2020	SF	54	225	39	57	14	4	10	35	2	30	55	0.297	0.400	0.568	0.968	161.6
2019	SF	107	411	64	101	22	3	21	55	2	32	107	0.272	0.334	0.518	0.852	123.0
Career		841	3139	433	654	162	23	123	364	25	329	765	0.238	0.324	0.447	0.772	112.6

Pitching

Year	Team	ERA	G	IP	BF	BB
2025	SF	18.00	1	1.0	7	1
2024	SF	18.00	1	1.0	8	3
Career		18.00	2	2.0	15	4

Statcast

Year	PA	EV	LA	Barrel%	HardHit%	Whiff%	Chase%	xBA	xSLG	xwOBA	Sprint
2026	320	90.6	16.6	7.2	43.5	23.4	26.0	0.233	0.368	0.309	27.1
2025	558	90.8	20.4	8.5	42.6	19.0	22.1	0.237	0.419	0.329	26.9
2024	474	90.4	19.1	10.5	41.0	26.1	23.9	0.217	0.406	0.304	27.2
2023	381	90.0	19.6	9.8	44.0	23.6	20.3	0.228	0.428	0.326	27.0
2022	558	89.9	19.9	11.1	42.5	22.7	22.2	0.218	0.402	0.314	27.0
2021	532	89.5	19.4	10.3	39.3	24.2	23.3	0.216	0.432	0.316	27.4
2020	225	88.2	18.4	10.9	42.3	24.7	19.7	0.251	0.488	0.364	27.5
2019	411	89.6	19.5	12.8	42.9	27.3	27.4	0.252	0.504	0.342	27.5

Fielding

Year	Team	Pos	G	Inn	PO	A	E	DP	Fld%	Runs saved
2025	KC	OF	150	1101	232	11	1	0	0.996
2025	SF	P	1	1	0	0	0	0		-0.0
2024	SF	OF	136	1042	212	5	4	1	0.982
2024	SF	P	1	1	0	0	0	0		-0.0
2023	SF	OF	124	784	175	6	1	1	0.995
2022	SF	OF	144	1128	271	9	3	3	0.989
2021	SF	OF	127	1059	259	3	1	1	0.996
2020	SF	OF	53	433	120	2	0	1	1.000
2019	SF	OF	102	821	189	2	4	0	0.979

Runs saved covers the Statcast era; for catchers it includes framing.

Minor leagues

Year	Level	Team	Side	PA / BF	Line	AVG / ERA	OPS
2019	AAA	Sacramento River Cats	Bat	163	12 HR, 2 SB	0.316	1.090
2018	AAA	Norfolk Tides	Bat	374	9 HR, 6 SB	0.265	0.800
2018	AA	Bowie Baysox	Bat	117	1 HR, 2 SB	0.202	0.603
2017	AAA	Norfolk Tides	Bat	307	9 HR, 2 SB	0.240	0.739
2017	AA	Bowie Baysox	Bat	94	6 HR, 1 SB	0.386	1.135
2016	AAA	Norfolk Tides	Bat	385	7 HR, 10 SB	0.221	0.681
2016	AA	Bowie Baysox	Bat	147	6 HR, 4 SB	0.268	0.810
2015	AA	Bowie Baysox	Bat	536	6 HR, 8 SB	0.246	0.688
2014	AA	Bowie Baysox	Bat	201	3 HR, 1 SB	0.250	0.723
2014	A+	Frederick Keys	Bat	107	1 HR, 5 SB	0.312	0.826
2014	A	Delmarva Shorebirds	Bat	288	10 HR, 12 SB	0.306	0.919

Splits

Year	vs LHP	vs RHP	Home	Away
2026	0.264	0.324	0.348	0.289
2025	0.225	0.356	0.329	0.335
2024	0.311	0.328	0.351	0.298
2023	0.271	0.358	0.377	0.309
2022	0.268	0.326	0.301	0.323
2021	0.251	0.359	0.331	0.335
2020	0.420	0.425	0.432	0.415
2019	0.412	0.358	0.339	0.395

wOBA by split, from pitch level data, 2015 on. For pitchers the split is the batter side faced.

Postseason batting

Year	G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS
2021	5	13	0	0	0	0	0	0	0	0	4	0.000	0.000	0.000	0.000
Career	5	13	0	0	0	0	0	0	0	0	4	0.000	0.000	0.000	0.000