SBU Football added 25 players in its 2018 signing class. See the full list below.
| NAME | POS | HOMETOWN | PREV SCHOOL |
| Gage Anderson | TE | Flower Mound, TX | Marcus HS |
| Trey Kitterman | LB | Rogers, AR | Rogers Heritage HS |
| Jarvis Funk | WR | Neosho, MO | Neosho HS |
| Chance Deitz | FB | Oologah, OK | Oologah HS |
| Isaac Trice | CB | St. Louis, MO | Trinity Catholic HS |
| Pierce White | DB | Cedar Hill, TX | Trinity Christian HS |
| Aaron Harris | RB | Cape Girardeau, MO | Cape Central HS |
| Kentavon Hawkins | ATH | Dallas, TX | Trinity Christian HS |
| Brenden Smith | QB | Warrenton, MO | Warrenton HS |
| Brock Owensby | LB | Muskogee, OK | Hilldale HS |
| Daveon Vails | CB | St. Louis, MO | Cardinal Ritter College Prep |
| Cameron Ray | DE | Cedar Hill, TX | Trinity Christian HS |
| CJ Glaze | WR | Festus, MO | Festus HS |
| Cole Walker | LB | Eldon, MO | Eldon HS |
| Trestan Kueneman | DE | Riverside, CA | East Los Angeles College |
| Ben McCrillis | DE | Rockwall, TX | Rockwall HS |
| Kevin Valdez | OL | Sachse, TX | Sachse HS |
| Caleb Reed | DT | Forest Hill, TX | Everman HS |
| Joshua Tips | WR | Cedar Hill, TX | Trinity Christian HS |
| Ares Fritzenwallner | OL | Fort Worth, TX | Arlington Heights HS |
| Kelton Tezeno | ATH | Burleson, TX | Centennial HS |
| Bryce Cabrera | RB | Owasso, OK | Owasso HS |
| Rashawn McCain | LB | Poplar Bluff, MO | Poplar Bluff HS |
| Xavier Hardy | CB | North Little Rock, AR | Joe T. Robinson HS |
| Juwan Walker | WR | Midwest City, OK | Midwest City HS |
