From the Bruins press release:
"Hughes, 24, has produced five goals and 16 assists for 21 points in 25 games with the Providence Bruins this season. The 5-foot-11, 181-pound forward played one game with Boston during the 2020-21 season on May 11 against the Washington Capitals.
Koppanen, 23, finished the 2020-21 Providence Bruins season with three goals and three assists for six points through 21 games. "