There’s a second Calipari expected to join the new Arkansas staff after news broke that longtime Kentucky head coach John Calipari is finalizing a deal to become the new Razorback head coach. According to Arkansas reporter Trey Biddy, Calipari’s son Brad, who worked on the Vanderbilt staff last year and has previously been on the Kentucky staff, will join his father in Fayetteville. Here was that news, which Biddy tweeted out late Sunday evening: “Expecting John Calipari’s son Brad Calipari to join the staff at Arkansas when this all gets finalized. Was director of on-court player development …