De La Salle baseball accused of sign stealing in formal complaint to NCS. Spartans adamantly deny allegations.

A baseball coach from a school in De La Salle’s league is accusing the Concord powerhouse of relaying catchers’ signs to batters, according to a formal complaint filed Friday to the North Coast Section office.

In the complaint, which was obtained by the Bay Area News Group, Dougherty Valley coach Kyle Stewart alleged that De La Salle has “personnel whom have devices such as cameras, telephoto lenses, walkie talkies, and verbal cadence from the coaching staff (that) creates a litany of questionable...