Hayden Birdsong

Bats R Throws R6'4" 216 lbBorn 2001 Mattoon, USADebut 2024Team SFDraft 2022 R6 #196 San Francisco Giants, Eastern Illinois UContract 1 y/$800,000 (26) 2026: $800,000

Projections

Season	BF	K%	BB%	HR%	1B%	XBH%	PITCH+
2026	362	24.0	11.5	3.50	20.3	6.71	98.1
2027							99.6
2028							102.3

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 23

His ten closest age-23 comparables averaged 99 PITCH+ 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	PITCH+ then	Next season	Next PA / BF
1	Roansy Contreras	2023	94.7	94.6	298
2	Andrew Miller	2008	93.1	96.7	366
3	Derek Holland	2010	93.2	101.1	843
4	Robbie Erlin	2014	94.9	109.0	65
5	Matt Garza	2007	93.0	108.5	772
6	Chase Silseth	2023	92.0	86.9	38
7	MacKenzie Gore	2022	94.2	94.1	582
8	Martin Perez	2014	95.6	99.6	339
9	Clay Buchholz	2008	96.2	103.7	399
10	Luke Weaver	2017	97.3	91.8	609

Pitching

Year	Team	W	L	ERA	G	GS	SV	IP	BF	HR	BB	SO	PITCH+
2027 proj									362				99.6
2026*									0
2025	SF	4	4	4.80	21	10	0	65.7	298	10	37	68	92.9	98.7	91.6
2024	SF	5	6	4.75	16	16	0	72.0	315	11	43	88	96.3	99.6	95.9
Career		9	10	4.77	37	26	0	137.7	613	21	80	156	94.6		93.8

Fielding

Year	Team	Pos	G	Inn	PO	A	E	DP	Fld%	Runs saved
2025	SF	P	21	66	4	3	1	0	0.875	-0.5
2024	SF	P	16	72	7	4	1	0	0.917	-0.2

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

Minor leagues

Year	Level	Team	Side	PA / BF	Line	AVG / ERA
2025	AAA	Sacramento River Cats	Pit	195	39.0 IP, 24% K	6.23
2024	AAA	Sacramento River Cats	Pit	42	9.0 IP, 33% K	5.00
2024	AA	Richmond Flying Squirrels	Pit	199	48.1 IP, 31% K	2.06
2023	AA	Richmond Flying Squirrels	Pit	104	23.0 IP, 32% K	5.48
2023	A+	Eugene Emeralds	Pit	139	36.0 IP, 33% K	3.25
2023	A	San Jose Giants	Pit	184	41.2 IP, 38% K	2.18
2022	A	San Jose Giants	Pit	29	6.0 IP, 38% K	4.50

Splits

Year	vs LHP	vs RHP	Home	Away
2025	0.408	0.292	0.339	0.358
2024	0.315	0.333	0.319	0.324

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