4. Gordon Hayward
Right off the bat this one looks tempting. After all, you can never have too many creators, and Gordon Hayward seems like an excellent idea off the bench to provide a park. He would also take some of the pressure off Booker and Beal to have to set the table at all times, and is well able to bail out a bad possession as well.
But he's now 33-years-old, and has never been the same since that injury suffered in his first game as a member of the Boston Celtics. Much like other players on the list - you want to get as much regular season heavy lifting out of these minimum players as you can - and Hayward no longer looks up to the task of providing that.
In fact the Oklahoma City Thunder - who got Hayward for the stretch run of the season - have already shown the Suns why they should steer clear of Hayward. They wrapped up the number one seed out West, and have a legitimate superstar in Shai Gilgeous-Alexander. With one of the youngest rosters in the league, adding a veteran scorer like Hayward made a ton of sense for them.
Yet he has managed only 17.2 minutes per game, and his 5.3 points is as you would expect a career low. Lower even than his rookie season with the Utah Jazz, when he played 16.9 minutes per contest. Perhaps if the Suns were younger elsewhere on their roster this would be worth a try for the same reasons the Thunder did it. But they need consistency, and Hayward is not it.