LEWISBURG, Pa. – Chris DiFiore spun a three-hit shutout in game one, and Billy Kender ripped a dramatic two-strike, two-out, two-run single in the bottom of the ninth in game two to send the second-seeded Bucknell baseball team to a sweep of the best-of-three Patriot League Tournament semifinal series from third-seeded Navy before a large crowd at Depew Field on Saturday. The Bison won by scores of 2-0 and 7-6 and will now celebrate their seniors’ Graduation Day on Sunday before advancing to the championship series next week. No. 4 Lafayette took the opener 7-5 from regular-season champion Army in…