Nana Foulland tied a career-high with 23 points, Kimbal Mackenzie added 12, and Bucknell exploded for 48 second-half points en route to a 70-59 win over Boston University on Saturday. Trailing 52-46 with 7:44 remaining, the Bison finished on a 24-7 run, including 10 straight points to take a 56-52 lead, capped by Kimbal Mackenzie’s 3-pointer with 4:36 remaining.