Nate Sestina was on the phone with his agent on Friday when he received a FaceTime call from Mark Pope ahead of Kentucky’s matchup vs. Bucknell on Saturday. “The first thing he asked me was, ‘Who are you cheering for tomorrow?’” Sestina started his career as a Bison and graduated from the school in 2019 before finishing as a Wildcat, heading to Lexington as a grad transfer for the 2019-20 season. He was a Second Team All-Patriot League selection as a senior at Bucknell before taking on a crucial bench role at Kentucky to wrap up his time in college, averaging 5.8 points and 3.8 rebounds per ga…