The Diamondbacks have claimed catcher Andrew Knizner off waivers and have optioned him to Triple-A Reno. As the corresponding 40-man roster move, the team has designated right-hander Luis Frías for assignment. The #Dbacks claimed C Andrew Knizner off waivers from the Rangers and optioned him to Triple-A Reno. In a corresponding move, RHP Luis Frías … Continue reading Diamondbacks claim Andrew Knizner off waivers, designate Luis Frias for assignment