Santa Barbara High’s girls and boys both finished the regular season as Channel League champions and will host first-round games in the CIF Southern Section playoffs. The Dons boys (25-3) went undefeated in the league and are the top-seeded team in Division 3A. The girls (17-10), will take a seven-game winning streak to the challenging Division 1 playoffs. Thu.: Harvard Westlake at S.B. girls, 7pm. Fri.: San Gabriel at S.B. boys, 7pm. $5-$10. J.R. Richards Gym, Santa Barbara High, 700 E. Anapamu St. Call 966-9101 x5010.