The Giants Are Writing Their Own Rules

At 11-5, the San Francisco Giants have picked up where they left off last season as a serious force in the National League.Credit...Eric Risberg/Associated PressThe captain of the San Francisco Giants — that’s captain with a capital C, crudely concocted with strips of black tape — reported for duty this season in a boat bearing precious cargo. He wore a white captain’s hat with black-and-orange trim, flung his wares starboard and set ground, at last, on a shimmering emerald green.

“He’s a complete bozo in the clubhouse,” the left-handed pitcher Alex Wood said of the captain, Brandon Belt, whose impish humor spilled onto the field on opening day. Belt emerged from the left-field corner, at…