Chelsea officially announced that four players including Bergstrom will leave the team after their contract expires at the end of this month.
The four players are 22-year-old goalkeeper Bergstrom, 21-year-old goalkeeper Eddie Beach, who plays for Chelsea U21, 19-year-old goalkeeper Luke Campbell, and 21-year-old left-back Dylan Williams, who played for Burton on loan in the 24-25 season. He will join Burton as a free agent.