Newman has been a Wizards assistant for three seasons.
Humphries was left off the postseason rotation and could add another layer to his game next season.
All indications are the Wizards will join the NBA's trend of pace-and-space and more three-pointers next season.
Pierce has a player option for nearly $6 million next season.
Wall will be examined either Tuesday or Wednesday.
The Wizards look to go up 3-1 in the Eastern Conference semifinal series again without John Wall.
Nene scored 17 points after netting two in the first two games against the Hawks.
Wizards brace for more physical play following Game 3 dust-ups between Bradley Beal and Hawks point guard Jeff Teague.
Pierce's game-winning jumper as time expired banked off the glass.
Will it be the Hawks or the Nets? And will the Eastern Conference semifinals begin Sunday or Wednesday?