Stony Brook, Wagner and Colgate all earned invitations to the FCS tournament, the NCAA announced Sunday.
Colgate and Wagner will play each other in the first round on Saturday. Both teams enter the game with 8-3 overall records.
Wagner is 7-1 in the Northeast. The Seahawks lost their first three games of the season but finished the year on an eight-game winning streak.
Colgate went 6-0 in the Patriot League. The Raiders had a similar start to the season, winning one of their first four games. But the Raiders finished the year with seven wins in a row.
The winner of Wagner-Colgate will play No. 2 Eastern Washington on Dec. 1 at 6 p.m.
Stony Brook will also play in the first round on Saturday. The Seawolves will host Villanova at 3 p.m. ET.
Stony Brook heads into the game with a 9-2 overall record and a 5-1 record in the Big South. The Seawolves lost their last game of the season on Nov. 10, 28-14, to Liberty.
If Stony Brook wins, it will play No. 3 Montana State on Saturday Dec. 1.