Spencer Schwellenbach

Bats R Throws R6'1" 200 lbBorn 2000 Saginaw, USADebut 2024Team ATLDraft 2018 R34 #1033 Cleveland Guardians, Saginaw Heritage HSContract 1 y/$800,000 (26) 2026: $800,000

Projections

SeasonBFK%BB%HR%1B%XBH%PITCH+
202645423.55.13.1219.86.79107.9
2027106.4
2028105.3

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 25

His ten closest age-25 comparables averaged 102 PITCH+ the next season; 9 of 10 played. Averages cover only the players who got a next season, which is why the played count matters.

#PlayerThroughPITCH+ thenNext seasonNext PA / BF
1Zach Plesac2020109.4100.5598
2Brandon Beachy2012112.5104.8120
3Jesse Hahn2015108.380.8203
4Shane Baz2024110.095.8711
5Josh Collmenter2011111.7101.4375
6Zac Gallen2021107.5119.5714
7Michael Fulmer2018108.0did not play
8Josh Beckett2005108.6100.9869
9Alek Manoah2023107.0106.0103
10Masahiro Tanaka2014108.2108.7609

Pitching

YearTeamWLERAGGSSVIPBFHRBBSOPITCH+
2027 proj454106.4
2026*0
2025ATL743.0917170110.74341318108115.3107.9123.2
2024ATL873.3521210123.75001423127109.0111.1120.0
Career15113.2338380234.39342741235111.9121.5

Fielding

YearTeamPosGInnPOAEDPFld%Runs saved
2025ATLP171111921130.976+4.2
2024ATLP21124924021.000+6.8

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

Minor leagues

YearLevelTeamSidePA / BFLineAVG / ERAOPS
2024AAMississippi BravesPit4413.0 IP, 39% K0.00
2024A+Rome EmperorsPit13132.0 IP, 26% K2.53
2023A+Rome BravesPit4613.2 IP, 30% K2.05
2023AAugusta GreenJacketsPit20951.1 IP, 20% K2.64

Splits

Yearvs LHPvs RHPHomeAway
20250.3020.2540.2750.287
20240.3320.2570.2970.293

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