Kristian Campbell has started 54 of the Red Sox’ first 76 games at second base this season. Now that he’s been demoted to Worcester, how will the Red Sox replace him?

When the Red Sox agreed to an eight-year, $60 million contract with Kristian Campbell less than a week into the highly-touted prospect’s Major League career, it demonstrated the club’s faith in the right-handed hitter’s long-term outlook.