Does anyone know these signatures?

I recently thrifted this Astros hat, and I have absolutely no clue about anything to do with baseball nor the Astros. Does anyone know whose signatures these are?

edit: holy crap yall are awesome huge thanks!

https://preview.redd.it/8redynf49eme1.png?width=864&format=png&auto=webp&s=1878f0b77d3692d6cef0585b644797f19d9bc46c