Danny Frauenfeld threw three touchdown passes, two to his brother Tony, to lead Leto to a 37-14 non-district win Monday over Plant.
Tempers flared after the game. Several fights broke out at midfield before police and the coaching staffs restored order.
"I'll have to look at the films and see who is responsible before disciplining anyone," Plant coach Steve Coleman said. "My kids know how I feel about fighting. It should never happen, whether before, during or after a game."
Though Leto coach Alex Albert was not certain how the fight began, he said the Panthers' winless season may have contributed.
"I saw one of my kids throw a punch, but he said it was in retaliation," Albert said. "But don't kid yourself into thinking that their losing another game didn't have something to do with this."
The Falcons (6-3) recovered a fumbled punt at the Panther 28 in the first quarter, and seven plays later, Ricky Sailor had a 1-yard TD.
Leading 21-7 to start the second half, Leto ground out an 11-play, 55-yard touchdown drive that took 6 minutes, 12 seconds.
Ryan Williams caught touchdown passes of 22 and 50 yards for Plant (0-9) from Grant Rhodes.