Bobby Marks, who is in Chicago, said that he wouldn't be surprised if Melvin Frazier went 27 or 28. Perhaps it was just coincidence, but Frazier is a defensive player, with good length and athleticism, that prides himself on his defense, which seems like the quintessential Ainge guy.
Frazier's numbers-
Ht 6'6"
Wt 198.2
Wingspan 7' 1.75''
Standing Reach 8' 9''
Standing Vert 31
Max Vert 41.5
Last season he shot 55.6% from the field, 38.%% from 3's, and in 34.4 MPG averaged 15.9 PPG, 5.6 RPG, 2.9 APG, and 2.1 SPG. That steals seem to be evidence on his length and how disruptive he is defensively.