TAMPA — C.J. Bennett passed for 143 yards and two touchdowns and ran for another score as Alonso locked up a playoff spot.
Alonso, 4-5 overall but 2-1 in Class 5A, District 5, secured the runnerup spot to set up a Nov. 20 playoff matchup against Newsome.
Bennett opened the scoring with an 11-yard run in the first quarter, part of the Ravens' 300-plus yards of offense. Dylan Fisher scored the next two Ravens touchdowns, the first on a 4-yard pass from Bennett and next on a 5-yard run.
Alonso's Julien Jones intercepted Gaithers' Shug Oyegunle and returned it 48 yards for a score. Cornerback Tyree Davis had Alonso's other three.
The Cowboys got 19-yard pass from Oyegunle to Chad Pierson late in the third quarter.
Fisher and fellow back Brandon Holloway combined for 143 yards and two scores.
Rod Gipson, Times correspondent