Harper, 28, made his NHL debut with the Panthers against New Jersey in the season-opening game on October 13, 2016. In 14 NHL games this season, he has two goals and one assist with 18 penalty minutes. He has played in 39 AHL games with Springfield this year, scoring 12 goals and seven assists for 19 points and 6 PIM.
Scarlett, 23, recorded 21 points (4-17-21) in 50 games with the Albany Devils. The 6-foot-1, 175-pound native of Edmonton, Alberta has recorded 92 points (16-76-92) over 215 AHL games, all with Albany.
He was originally selected by New Jersey in the sixth round (159th overall) of the 2011 NHL Draft.