Schedule:
| Game | Date | Away Team (Rank) | Away Score | Home Team (Rank) | Home Score | Game Status | Result | Margin |
|---|---|---|---|---|---|---|---|---|
| 1 | 2018-09-01 | Kentucky Christian | 7 | Lamar | 70 | Final | W | 63 |
| 2 | 2018-09-08 | Lamar (242) | 0 | Texas Tech (63) | 77 | Final | L | -77 |
| 3 | 2018-09-15 | Northwestern State | 49 | Lamar | 48 | Final | L | -1 |
| 4 | 2018-09-22 | Southeastern Louisiana | 30 | Lamar | 24 | Final | L | -6 |
| 5 | 2018-09-29 | Lamar (230) | 27 | Nicholls State (142) | 50 | Final | L | -23 |
| 6 | 2018-10-13 | Incarnate Word (154) | 21 | Lamar (235) | 27 | Final | W | 6 |
| 7 | 2018-10-20 | Sam Houston State (157) | 23 | Lamar (217) | 41 | Final | W | 18 |
| 8 | 2018-10-27 | Lamar (195) | 24 | Stephen F. Austin (214) | 17 | Final | W | 7 |
| 9 | 2018-11-03 | Lamar (183) | 38 | Central Arkansas (163) | 24 | Final | W | 14 |
| 10 | 2018-11-10 | Houston Baptist (249) | 9 | Lamar (178) | 38 | Final | W | 29 |
| 11 | 2018-11-17 | Lamar (173) | 21 | McNeese State (174) | 17 | Final | W | 4 |
| 12 | 2018-11-24 | Lamar (164) | 13 | Northern Iowa (145) | 16 | Final | L | -3 |