- Red Sox, rookie Campbell reach 8-year extension ESPN
- Red Sox sign elite prospect Campbell to 8-year deal MLB.com
- Red Sox Sign Kristian Campbell To Eight-Year Extension MLB Trade Rumors
- Kristian Campbell contract extension: Red Sox agree to eight-year deal with top prospect worth reported $60M CBS Sports
- Red Sox sign second baseman Kristian Campbell to 8-year extension through 2032 season Yahoo Sports