What becoming SF Giants’ full-time DH means for Marco Luciano’s development

SAN FRANCISCO — Marco Luciano took a seat on the bench on the top step of the third-base dugout Wednesday afternoon and waited. As pitchers played catch on the outfield grass, the Giants’ top prospect was their only position player to make his way out of the clubhouse.

Once the ball bags and protective screens and fungo bats were properly placed on the field, Matt Williams approached the young shortstop and leaned over the dugout rail. “You ready? We’re ready,” he said. “Let’s go.” Luciano...