On his Twitter account @ihapp_1, Happ wrote on Saturday: "Help me and @GoBearcatsBASE honor my dad's memory #noshave #cancersucks" and provided a link to the website.
Help me and @GoBearcatsBASE honor my dad's memory #noshave #cancersucks https://t.co/vmuAsZM3mX pic.twitter.com/3RiL6oUm2L
"Almost three weeks ago, my father lost his battle with brain cancer," Happ wrote. "Keith Happ was my role model and my hero. My dad was my biggest supporter, my batting-practice thrower, fungo hitter, throwing partner, golf coach and much more. He was my mentor in every endeavor.