Hughes was put on waivers by Seattle on Thursday, per Chris Johnston of TSN.
Hughes was waived by Seattle on Sunday, per CapFriendly.
Hughes signed a two-year, two-way contract with the Kraken on Wednesday.
Hughes was waived by Boston on Tuesday, Sportsnet's Chris Johnston reports.
The Bruins have signed Hughes to a one-year deal for the 2021-22 season, Fluto Shinzawa of The Athletic reports.
Hughes was added to the active roster Monday, CapFriendly reports.
Hughes was sent down to AHL Providence on Wednesday, per CapFriendly.
Hughes will be promoted to Boston's active roster and enter the lineup for Tuesday's regular-season finale versus Washington.
Hughes was promoted to the taxi squad Saturday, per CapFriendly.
Hughes was demoted to AHL Providence on Friday, per CapFriendly.