Gibbs running back Emmanuel Stewart, who helped his team start 2-0, will miss the remainder of the season with a torn ACL.
The injury happened in the second quarter of last week's win over Lennard. Stewart, a junior, initially thought he had a bruised knee and would miss a few weeks.
"I really didn't think it would be anything too bad," Stewart said. "I'm just thankful it happened now and not my senior season. I have something to fight for the next year."
It was a blow for the Gladiators, who are off to a fast start under new coach Antonio Knox. Stewart was a big contributor, rushing for more than 200 yards and two touchdowns combined in his first two games.
"We have kids who can replace Emmanuel," Knox said. "But you can't replace the type of kid he is. He is such a hard worker."
A.J. Johnson filled in for Stewart last week and rushed for nearly 100 yards. Jeremy Williams, a transfer from Dunedin, also will get some carries, along with others.
"The show doesn't stop," Knox said. "Everyone thinks we can't do anything without Stewart back, but we'll be all right."