What do the Suns need in the draft?

Although the NBA Draft lottery hasn't taken place quite yet, the overwhelming odds are that the Phoenix Suns will have the 13th selection in the draft. 

With another potential roster shakeup on the way with Brandon Knight a restricted free agent and Marcus and Markieff Morris facing possible legal trouble, what are the positions of need for the Suns to address?

Here's Gavin Schall of the Suns blog Valley of the Suns with his take: 

"Specifically, what position do the Suns need with their first pick? A power forward would be ideal, assuming Brandan Wright is back. There’s not a playable back-up for Markieff Morris on the roster, and with his legal trouble that need could potentially become more dire. The Suns might experiment with playing Wright and Alex Len together next season, but that’s entirely dependent on one of them developing a mid-range game. With his range shooting and sophisticated offensive skillset Frank Kaminsky would be the dream."

(h/t Valley of the Suns)