This is an update. Steel Arm’s Seamheads record now reflects 10 wins during his rookie season as a 17 year-old. As we know, the Negro League official records are a work in progress and they still may uncover more. Gary Ashwill, Seamheads founder, acknowledged my finding at the end of this interesting post. https://garyashwill141515.substack.com/p/most-wins-by-a-17-year-old-pitcher –…