La Canada 2, Monrovia 1 — The Spartans got a walk-off single by Jacob Yonan in the seventh inning to hand Monrovia its first loss of the season and a loss in the Rio Hondo League opener for both teams. La Canada lefty Justin Lewis no-hit the Wildcats for 6 2/3 innings before leaving in favor Clayton Hermann, who struck out the last Monrovia hitter of the game to eventually earn the win.
San Marino 4, South Pas 0 — Jeff Bain goes the distance and helps himself at the plate with a two-run double.