Visiting Ada fell behind big and early to Spencerville and lost 56-20 in a Northwest Conference contest Friday night.
The Bearcats tallied three touchdowns in the first five minutes and raced to a 28-0 lead after the initial period of play. The hosts extended the margin to 49-6 at halftime.
Ada scored the last two touchdowns in the fourth period.
The Bulldogs fell to 1-6 and 0-4 in the NWC after their fourth straight defeat.
Spencerville improved to 3-4 and 2-2 in league play with the win.
"We fought hard, we competed hard," said first-year Ada head coach Toby Smith. "We are just making too many mistakes to give ourselves a chance to win.