The Monarchs (10-2), who tied for second in the Colonial Athletic Association, will play at third-seeded Georgia Southern next Saturday.
Heinicke, who was 21 of 30
for 269 yards, threw two scores to Nick Mayers, two to Prentice Gill and one to Larry Pinkard.
Old Dominion’s first touchdown came on the possession after the Spartans (9-3), champions of the Mid-Eastern Athletic Conference, scored first on Derrick Demps’
98-yard touchdown reception from Chris Walley.
Old Dominion, which resumed football in 2009 after a 69-year absence and played host to the game between schools located 5 miles apart, led 21-7 at halftime.
CENTRAL ARKANSAS 34, TENNESSEE TECH 14
In Cookeville, Tenn., Nathan Dick threw for two touchdowns and ran for another to lead Central Arkansas.
The Bears (9-3), which finished with 439 yards in their first FCS playoff game in their second year of eligibility, will travel to second-round opponent Montana on Saturday.
Dick was 23 of 39 for 319 yards, and threw scoring passes of 42 yards to Jesse Grandy and 30 yards to Thomas Hart. Dick also had a 1-yard scoring run to help the Bears pull away, 17-7, with 1:55 left in the second quarter.
JAMES MADISON 20, EASTERN KENTUCKY 17
In Richmond, Ky., Cameron Starke kicked a 35-yard field goal as time expired to lift James Madison in the first round of the FCS playoffs.
James Madison (8-4) rallied from a 17-10 deficit in the fourth quarter. Jordan Anderson capped a 76-yard drive with a 24-yard touchdown run to tie the game at 17 with 10:01 remaining.
The Dukes, who have won three consecutive games, will face North Dakota State on Saturday.
James Madison called 68 running plays and dominated possession 40:30 to 19:30.
STONY BROOK 31, ALBANY 28
In Stony Brook, N.Y., Brock Jackolski scored three touchdowns in the second half to rally Stony Brook.
The Seawolves (9-3), who trailed 28-10 with 13:25 left in the third quarter, won their ninth game in a row. They will play at Sam Houston State on Saturday.