Brooks (14-4) limited Arroyo Grande, which finished third in the PAC-7 League, to eight hits and escaped a couple of jams. The biggest came in the fifth when Arroyo Grande loaded the bases with one out. However, Brooks induced Charlette Yracheta to hit into a 1-2-3 double play to quell the rally.
Brooks struck out five, including three in the second.
"Caitlyn did a good job of hitting her spots," Do said.
Brooks lost her bid for a shutout in the sixth when Adriana Ranjel delivered a run-scoring single to score Jordan Robinson.
Burbank received two hits from Kaitlin Brooks and Caitlyn Brooks and one apiece from Hooper, Orozco and Bridgette Pisa.
Drabecki, whose team improved to 6-1 in its last seven games, said she expects the rematch with La Reina, which captured theTri-ValleyLeague championship, to be closer.