Archibald, 24, dressed for all five postseason contests with WBS this year, scoring a pair of goals. During the regular season, Archibald had career highs with 16 goals, 13 assists and 29 points in 61 AHL contests.
At the NHL level this year, Archibald appeared in 10 games, scoring three goals. His first two goals came in his first NHL game of the season on Feb. 11 in Arizona, with his second tally that night a shorthanded marker.
Sundqvist, 23, also split his season between WBS and Pittsburgh. During the regular season, he hit the 20-goal mark for the first time, and added 26 assists and 46 points in 63 games. Sundqvist also skated in 10 regular-season games for Pittsburgh this year.
Last year, Sundqvist played in two NHL playoff games with Pittsburgh, and 18 regular-season contests, tallying four points (1G-3A) in those appearances. He enjoyed a day with the Stanley Cup and earned a Cup ring for his contributions.