Clark was previously on a non-guaranteed deal with New Orleans, averaging 3.6 points and 11.9 minutes in eight games. The team waived him on Friday before his contract became fully guaranteed.
Prior to signing with the Pelicans, Clark was playing for Capitanes in the G League. The 27-year-old went undrafted in 2018 and holds experience with Houston, Orlando, Denver and Philadelphia.
Harper, 24, only appeared in two games for the Pelicans this season, averaging 3.5 points in five minutes per contest. He’s also averaging 21.7 points and 5.1 assists per outing in the G League this year.