Ugly N.B.A. Fan Behavior Is Back With Popcorn Toss and Spitting Incident. Basketball, National Basketball Assn, Stadiums and Arenas, Washington Wizards, Westbrook, Russell, Atlanta Hawks, Young, Trae (1998- ), Memphis Grizzlies, Morant, Ja (1999- ), New York Knicks, Philadelphia 76ers, Utah Jazz