I rarely make it to the West Valley but am heading to Jobing.com and I wonder if there is anything worth checking out around the arena.
mostly chains right at the venue with typical pub food, avoid Margaritaville, etc. downtown Glendale has a few good spots like Haus Murphy's, or Arrowhead area for Cucina Tagliana, etc
1733 N Dysart Rd, Avondale, AZ 85392
I had a favorable experience at La Piazza Al Forno. It's reasonably priced Italian in downtown Glendale.
La Piazza Al Forno
5803 W Glendale Ave, Glendale, AZ 85301