With receivers Brandon Aiyuk and Ricky Pearsall on their roster already, the San Francisco 49ers have signed yet another former ASU wideout to their offense.Thank you for reading this post, don’t forget to subscribe! According to ESPN senior NFL insider Adam Schefter, he stated that free agent and ex-Sun Devil Frank Darby is joining Aiyuk … Continue reading 49ers sign Frank Darby to one-year deal, forming ASU trio with Brandon Aiyuk, Ricky Pearsall