Koonce caught a 22-yard pass from Michael Nebrich to give Fordham an early lead, but Buckell came back on a 2-yard run by Brandon Wesley. Michael Marando added a field goal and the Rams (11-0, 1-0 Patriot League) led 10-7 at the half.
Fordham extended their lead to 17-7 on a 63-yard pass from Peter Maetzold to Sam Ajala, but Bucknell's Josh Brake replied with a 63-yard strike to CJ Williams, then caught a 5-yarder from Brandon Wesley to give the Bison a 21-17 edge.
Marando added two field goals in the fourth. Bucknell had a chance to win on its final drive, but Derek Maurer's 37-yard field-goal attempt was blocked and time expired.